wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Semester Exam Review

Total questions: 150

Worksheet time: 12hrs 0mins

Name
Class
Date
1.
a)
3/11
b)
21/38
c)
19/24
d)
3/16
2.
a)
-4/3
b)
13/18
c)
4/3
d)
2/9
3.
a)
1/40
b)
5  1/8
c)
6  3/8
d)
5/8
4.
a)
6  3/20
b)
5  4/9
c)
6  4/15
d)
8  1/4
5.
a)
5/14
b)
2  1/3
c)
-1  1/3
d)
2  1/2
6.
It took Earl ½ hour to do his science homework and ⅓ hour to do his math homework.  How long did Earl work on homework?
a)
⅖ hour
b)
⅙ hour
c)
⅚ hour
d)
⅕ hour
7.
Roberto needs separate roofing tiles to be cut from one large tile.  How many tiles that are each 14 ⅜ inches in length can he cut from the one large piece of tile that is 100 ⅝ inches long?
a)
86  1/4 tiles
b)
7  tiles
c)
7  3/4 tiles
d)
115 tiles
8.

Sandy has $200 in her bank account. If she writes 6 checks for exactly $19.98, what is her account balance after the checks are cashed?

a)

$80.12

b)

-$180.02

c)

-$57.90

d)

$319.88

9.

-6.64 ÷ -0.4 =

a)

6.24

b)

-16.6

c)

16.6

d)

-6.24

10.
A water pail in your backyard has a small hole in it. You notice that it has drained a total of 3.5 liters in 4 days. What is the average change in water volume each day?
a)
-14 liter per day
b)
-0.875 liter per day
c)
27 liter per day
d)
0.125 liter per day
11.
At the beginning of a laboratory experiment, the temperature of a substance is -12.6 °C. During the experiment, the temperature of the substance decreases 7.5°C. What is the final temperature of the substance?
a)
2.2 °C
b)
-5.1 °C
c)
-20.1 °C
d)
25.9 °C
12.
2.75 + (-2) + (-5.25) = 
a)
8.3
b)
0.5
c)
-10
d)
-4.5
13.
Greg sets his watch for the correct time on Wednesday. Exactly one week later, he finds that his watch has lost 3.25 minutes. If his watch continues to lose time at the same rate, what will be the overall change in time after 8 weeks?
a)
26 minutes behind
b)
35 minutes behind
c)
15 minutes ahead
d)
21 minutes ahead
14.
Sanin went to the store to buy groceries. He bought a box of cereal for $5.29, a gallon of milk for $2.49, and a quart of juice for $3.79. He paid the cashier with a $20 bill. How much change did Sanin receive?
a)
$11.57
b)
$20.11
c)
$8.43
d)
$1.23
15.
-2.4(3)
a)
-72
b)
-.72
c)
-.072
d)
-7.2
16.
Three rock climbers started a climb with each person carrying 7.8 kilograms of climbing equipment. A fourth climber with no equipment joined the group. The group divided the total weight of climbing equipment equally among the four climbers. How much did each climber carry?
a)
8.8 kg
b)
1.95 kg
c)
5.85 kg
d)
3.25 kg
17.
A submarine submerged at a depth of -35.25 meters dives an additional 8.5 meters. What is the new depth of the submarine?
a)
55.86 meters
b)
-17.85 meters
c)
-26.75 meters
d)
-43.75 meters
18.
-8+(-2)
a)
-6
b)
-10
c)
10
d)
6
19.
-6-2
a)
8
b)
-4
c)
4
d)
-8
20.
-5-(-7)
a)
-12
b)
12
c)
2
d)
-2
21.
Which of the following expressions has the greatest value?
a)
-7+(-3)
b)
11-(-5)
c)
-9+5
d)
12-6
22.
Emily is a diver. Today she descended to a depth of 40 feet below sea level. Then she swam up 10 feet and descended another 4 feet. How far below sea level is Emily now?
a)
-34 feet
b)
-54 feet
c)
54 feet
d)
-26 feet
23.
On Friday, Elsa made withdrawals of $50, $60, and $17 from her savings account. On Monday she made a deposit of $135. How much money is now in Elsa's savings account?
a)
$262
b)
$8
c)
-$8
d)
-$262
24.
The high temperature Monday was 4 degrees. The low temperature was -7 degrees. What is the difference between the high and low temperatures?
a)
3 degrees
b)
12 degrees
c)
11 degrees
d)
10 degrees
25.
(-25) ÷ (-5)
a)
5
b)
-5
c)
-20
d)
-30
26.
Solve the following:
(2 + 7 - 1) ÷ 22
a)
16
b)
2
c)
72.25
d)
8.75
27.
True or False?
2 x 3 + 10 ÷ 2 = 8
a)
True
b)
False
28.
Solve the following:
5 - 62 ÷ 4 - 3
a)
1
b)
-10.75
c)
-31
d)
-7
29.
True or False?
2 + (4 x 5 - 2) + 8 = 28
a)
True
b)
False
30.
What would be my first step in solving this problem?
3 + 4 x 6 - 4
a)
addition
b)
multiplication
c)
subtraction
d)
exponents
31.
What would be the 2nd step in solving this problem: 
(4 - 2) + 9 x 7
a)
multiplication
b)
subtraction
c)
addition
d)
dividing
32.
Fill in the blank with the correct sign >, < , or =
-3.4  ________ -2.5
a)
>
b)
<
c)
=
33.

Which set of numbers are in order from least to greatest?

a)

1/4, -3/7, 1/2

b)

-3/7, 1/2, 1/4

c)

1/2, 1/4, -3/7

d)

-3/7, 1/4, 1/2

34.
Choose <, >, or = to fill in the circle and create a true statement.
a)
<
b)
>
c)
=
35.

Put the following in order LEAST to GREATEST:

0.54, 2/5, 0.45

a)

2/5, 0.45, 0.54

b)

0.54, 2/5, 0.45

c)

0.54, 0.45, 2/5

d)

0.45, 2/5, 0.54

36.
List in order from least to greatest.
5/4, 56%, 1.07, 4/5
a)
5/4, 56%, 1.07, 4/5
b)
1.07, 4/5, 5/4, 56%
c)
56%, 1.07, 4/5, 5/4
d)
56%, 4/5, 1.07, 5/4
37.
In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 
a)
Subtract 7 from both sides. The solution is x = 5.
b)
Add 7 to both sides.
The solution is x = 19.
c)
Multiply both sides by 7 The solution is x = 84.
38.
The variable, k, is being divided by 11. How should you show your work to isolate the variable?
a)
Divide both sides by 11
b)
Multiply both sides by 11.
c)
Add 11 to both sides.
d)
Subtract 11 to both sides.
39.
Solve the equation:
20.5 = x + 4
a)
16.5
b)
16.05
c)
24.5
d)
24.05
40.
Which equation has w = 8 as the solution?
a)
8w= 64
b)
16w = 240
c)
16 - w = 9
d)
4 + w = 10
41.
3n + 4 = 7 
a)
1
b)
-1
c)
3.67
d)
2
42.
9 = 2s + 1 
a)
4
b)
-4
c)
3.5
d)
5
43.
-5 = 3m - 14
a)
3
b)
-3
c)
12
d)
-6.3
44.
Solve for x:
5x - 14 = 8x + 4
a)
x = 6
b)
x = -6
c)
x = -18/13
d)
x = 10/3
45.
Solve for f:
f - 4 = 6f + 26
a)
f = -5
b)
f = 5
c)
f = 6
d)
f = -6
46.
Solve: 5x - 14 = 8x + 4
a)
6
b)
-6
c)
-18/13
d)
10/3
47.
Joe’s Canoes charges an initial fee of $20 plus $4 an hour. Callie’s Canoes charges a flat rate of $14 an hour. Find the number of hours for which the total amount that both places charge would be the same.
a)
3 hours
b)
4 hours
c)
1 hour
d)
2 hours
48.
Peppy Pets charges a flat fee of $15 plus $3 per hour to keep a dog during the day. Happy Hounds charges a flat fee of $21 plus $1 per hour. For how many hours is the total fee charged by the companies the same?
a)
2 hours
b)
3 hours
c)
4 hours
d)
5 hours
49.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function
50.
Is this set of ordered pairs a function or not a function? 
a)
Function
b)
Not a Function 
51.
Is this graph a function or not a function? 
a)
Function 
b)
Not a Function
52.
a)
Function
b)
Not a Function
53.
Which graph does NOT pass the vertical line test?
a)
Graph 1
b)
Graph 2
c)
Graph 3
d)
Graph 4
54.
a)
Function
b)
Not a Function
55.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
56.
Does the graph represent a function?
a)
Yes, because the vertical line test shows there are no repeating input values
b)
No, because the vertical line test shows there are repeating input values
57.

Identify the quadrant where the point is located. (10 , -5)

a)

I

b)

II

c)

III

d)

IV

58.

Identify the quadrant where the point is located. (6 , 3)

a)

I

b)

II

c)

III

d)

IV

59.

Identify the quadrant where the point is located. (-3 , -4)

a)

I

b)

II

c)

III

d)

IV

60.
How do you write an ordered pair?
a)
(X,X)
b)
(Y,X)
c)
(X,Y)
d)
(Y,Y)
61.
The __ - axis is vertical in the coordinate plane.
a)
X
b)
Y
c)
Z
d)
None of the above
62.
Does the table represent a proportional relationship?
a)
Yes.
b)
No.
63.
Does the table represent a proportional relationship?
a)
Yes.
b)
No.
64.
Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?
a)
$1.00 per pound
b)
$3.60 per pound
c)
$1.20 per pound
d)
$1.10 per pound
65.
Is the graph proportional or nonproportional?
a)
proportional
b)
non proportional
66.
Does this graph represent a proportional relationship?  
a)
No, because it doesn't pass through the origin.
b)
Yes, because it doesn't pass through the origin.
c)
Yes, because it intersects the y axis.
d)
No, because it intersects the x axis.
67.
Does the equation show a proportional relationship?
a)
Yes
b)
No
68.
Does the equation show a proportional relationship?
a)
Yes
b)
No
69.
What is the y-intercept in the following equation:  y=-4x-5
a)
-4
b)
-4x
c)
5
d)
-5
70.
Proportional or Non-Proportional:
The video game rental fee is $15 plus $3 per day. 
a)
Proportional
b)
Non-Proportional
71.
Shawn makes $7.50 an hour to babysit for her next door neighbors.  Describe the graph of this relationship.
a)
Proportional
b)
Non-proportional
72.
What is the y-intercept for the following graph and is it proportional or non-proportional?
a)
Proportional, b=1
b)
Proportional, b=-2
c)
Non-proportional, m= -1
d)
Non-proportional, b=1
73.
What is the y-intercept for the following graph and is it proportional or non-proportional?
a)
Proportional, b=0
b)
Proportional, m=0
c)
Non-proportional, b=1
d)
Non-proportional, b=0
74.
Which of the situations below represents a non-proportional relationship?
a)
total distance traveled and number of hours traveled, if John drove his car at a constant rate of 60 miles per hour for 2 hours
b)
total earnings and number of hours spent babysitting, if Carrie babysat for 4 hours at a rate of $8 per hour
c)
total fees charged and number of carpeted rooms cleaned, if a carpet cleaning company charges $40 for the first room and $25 for each additional room
d)
total savings and number of weeks spent saving, if Jeremy saved $10 each week for 6 weeks
75.
Mama Mia’s Pizza sells medium pizza for $7 each and charges a $2 delivery fee per order. Which describes this relationship?
a)
a non-proportional function with a y-intercept of 2
b)
a non-proportional function with a y-intercept of 7
c)
a proportional function with a y-intercept of 2
d)
a proportional function with a y-intercept of 7 
76.
The scatter plot shows the number of absences in a week for classes of different sizes.  Trevor concluded that there is a positive correlation.  Which statement best describes why Trevor's conclusion was incorrect.
a)
The largest class does not have the most absences.
b)
The smallest class does not have the least number of absences.
c)
The data show no relationship between class size and number of absences.
d)
The data show a negative relationship between class size and number of absences.
77.
Which graph best shows a positive correlation between the number of hours studied and the test scores?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
78.
This scatter plot shows the average traffic volume and average vehicle speed on a certain freeway for 50 days in 1999.  Which statement best describes this relationship.
a)
As traffic volume increases, vehicle speed increases.
b)
As traffic volume increases, vehicle speed decreases.
c)
As traffic volume increases, vehicle speed increases at first, then decreases.
d)
As traffic volume increases, vehicle speed decreases at first, then increases.
79.
What type of association does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
80.
What type of association does this scatter plot represent?
a)
positive linear association
b)
negative linear association
c)
no association
d)
nonlinear association
81.
What type of association does this scatter plot represent?
a)
positive linear association
b)
negative association
c)
no association
d)
nonlinear association
82.
Is the following a Positive, Negative, or No Correlation?
a)
Positive Association
b)
Negative Association
c)
No Association
83.
Is the following a Positive, Negative, or No Correlation?
a)
Positive Association
b)
Negative Association
c)
No association
84.
What is another word for average?
a)
Mean
b)
Median
c)
Mode
d)
Range
85.
Find the MAD:
58, 38, 54, 48, 26, 36
a)
43
b)
20
c)
10
d)
12
86.
If Joe worked 30 hours, how much is he expected to earn?
a)
$600
b)
$200
c)
$1000
d)
$800
87.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 
a)
12 chapters
b)
15 chapters
c)
18 chapters
d)
21 chapters
88.
a)
b)
c)
d)
89.
a)
b)
c)
d)
90.
What is the second step when calculating the Mean Absolute Deviation?
a)
Find the distance each value is from the mean
b)
Find the mean of the distances
c)
Find the mean of the data
91.
What is the third step when calculating the Mean Absolute Deviation?
a)
Find the distance each value is from the mean
b)
Find the mean of the distances
c)
Find the mean of the data
92.
What is the mean of this data set?
6, 7, 2, 1, 5, 2, 1, 6
a)
24.75
b)
3
c)
3.7
d)
3.8
93.
Find the MAD for the following set: 85, 90, 68, 75, 79
a)
79.4
b)
6.48
c)
32.4
d)
79
94.
What is the first step when calculating the Mean Absolute Deviation?
a)
Find the distance each value is from the mean
b)
Find the mean of the distances
c)
Find the mean of the data
95.
Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?
a)
12
b)
72
c)
48
d)
98
96.
What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7
a)
7
b)
20
c)
7 & 14
d)
none of the above
97.
What is the median?
5, 22, 81, 16, 15, 22
a)
22
b)
76
c)
19
d)
1
98.
What is the mode?
a)
# happening the most
b)
the average
c)
biggest - smallest
d)
the middle #
99.
What is the mean?
a)
# happening the most
b)
the number in the middle
c)
biggest-smallest
d)
the average
100.
A data set can have more than one median?
a)
True
b)
False
101.
To find the average of a set of numbers, add up all the items and divide by...
a)
2
b)
The minimum
c)
The maximum
d)
The number of items
102.
What is the definition of the range?
a)
The average
b)
The number that occurs the most
c)
The middle number
d)
The difference of the largest and smallest numbers
103.
When finding the median, what do you do if there are two middle numbers?
a)
Add them together and divide by 2
b)
Write them both as the answer
c)
Give up
d)
Pick one
104.
Paulo got these markers in three tests: 72, 80 and 82. He had one more test to sit. He wanted an average of 80 for the four tests. What mark must he get in the fourth test?
a)
78
b)
80
c)
84
d)
86
105.

Jessica has five grades from assessments and quizzes, but she lost one of the quizzes. They are all weighted equally. If her grades on four of the assessments are 50, 70, 70, and 88 and her current average grade is a 73, what was her grade on the fifth quiz?

a)

88

b)

82

c)

90

d)

73

106.

What is the slope of the line?

a)

-5/4

b)

4/5

c)

5/4

d)

-4/5

107.

What is the slope of the line?

a)

5/3

b)

3/5

c)

-5/3

d)

-3/5

108.

What is the slope of the line?

a)

-1/3

b)

-3

c)

3

d)

1/3

109.
What direction is an undefined slope?
a)
horizontal
b)
vertical
110.

Determine the slope from the table.

a)

-2

b)

2

c)

-1/2

d)

1/2

111.
Determine the slope.
a)
-3
b)
3
c)
-1/3
d)
1/3
112.
Which of the following are ways to find the rate of change?
a)
change in y over change in x
b)
rise over run
c)
subtract y coordinates over subtract x coordinates
d)
all of the above
113.
Find the slope given the points (2, −7) and (−1, 6). 
a)
-13/3
b)
13/3
c)
0
d)
2/3
114.
Find the slope given the points (-5,-3) and (2,4). 
a)
5/4
b)
1/7
c)
-1
d)
1
115.
Which variable represents slope in the linear equation y=mx+b?
a)
y
b)
x
c)
m
d)
b
116.
Which variable represents y-intercept in the linear equation y=mx+b?
a)
y
b)
x
c)
m
d)
b
117.
Write the equation of the line.
a)
y=(1/3)x-1
b)
y=(3/2)x -1
c)
y=3x-1
d)
y=(2/3)x-1
118.
Write the equation of the line.
a)
y=-3x-4
b)
y=-4x-3
c)
y=(-3/4)x-3
d)
y=(-4/3)x-3
119.

For every 125 pages Daysha reads, she earns 5 points. Which graph models this relationship?

a)
b)
c)
d)
120.

Carter receives $13.50 for every 5 boxes of chocolate he sells. Which graph shows this relationship?

a)
b)
c)
d)
121.

Trishtohn charges $17.50 for 5 roses. Which graph shows this relationship?

a)
b)
c)
d)
122.
a)

F

b)

G

c)

H

d)

J

123.

Which statement is true?

a)

Slope of PR is equal to the slope of RT

b)

Slope of QR id equal to the slope of RS

c)

Slope of ST is equal to the slope of SR

d)

Slope of RT is equal to the slope of TS

124.
8.4A
a)
F
b)
G
c)
H
d)
J
125.
On the coordinate plane, which line is the x-axis?
a)
Horizontal Line (Side to Side)
b)
Vertical Line (Up and Down)
126.
On the coordinate plane, which line is the y-axis?
a)
Horizontal Line (Side to Side)
b)
Vertical Line (Up and Down)
127.
a)
F
b)
G
c)
H
d)
J
128.
What is the solution to the system?
a)
(3, -1)
b)
(2, -6)
c)
No Solution 
d)
(6, -2)
129.

Find the Solution to the System of linear equations.


y = 2x + 1

y = 1/2x + 4

a)

(0,4)

b)

(5, 2)

c)

(2, 5)

d)

(0,1)

130.

Solve the system of linear equations

y = x + 4

y = 3x

a)

(0, 0)

b)

(6, 3)

c)

(0, 4)

d)

(2, 6)

131.

Anne deposited $500 in an

account that earns 6% simple annual interest.

Shelly deposited $500 in an account that earns 6% annual interest

compounded annually. They leave the

money in the account for 4 years. Which

statement is true about the two investments after 4 years?

a)

Shelly will have $131.24 more in her account

than Anne has in her account.

b)

They will have the same

amount in their accounts.

c)

Shelly will have $11.24 more

in her account than Anne has in her account.

d)

Anne will have $11.24 more in

her account than Shelly has in her account.

132.

Carly

deposited $800 in an account that earns 6% compounded annually. Lara deposited

$800 in an account that earns 6% simple interest. How much will each girl have

in their account at the end of 10 years if they make no withdrawals or deposits?

a)

Carly: $1432.68 Lara: $1280

b)

Carly: $1444.89 Lara: $1280

c)

Carly: $1444.89 Lara: $1320

d)

Carly: $1432.68 Lara: $1320

133.

When calculating

interest, how do you write the percent?

a)

a fraction

b)

a decimal

c)

a round number

d)

not enough information

134.

Steve deposited

$5,000 in a savings account that pays 4% interest compounded annually. Which

equation could be used to find the value of the account after 3 years?

a)

A = 5,000(1 + 4)3

b)

A = 5,000(1 + 0.04)3

c)

A = 5,000(1 + 0.4) x 3

d)

A = 5,000(0.04)3

135.

Heather

invested $8,000 in a 4-year Certificate of Deposit (CD) that pays 4.1% interest

compounded annually. What is the value of the CD at the end

of the 4 years?

a)

$9,394.92

b)

$9,312.00

c)

$1394.00

d)

$1312.00

136.

David

invests $10,000 in a savings account that pays 3.5% simple interest. If David

makes no withdrawals or deposits to the account, how much will be in the

account after 7 years.

a)

$2,450

b)

$11,750

c)

$12,450

d)

Not here

137.

Garrison

deposited $500 in an account that earns 5% annual interest compounded annually. If he makes no withdrawals or deposits, how

much interest will the account earn after 4 years?

a)

$600

b)

$100

c)

$607.75

d)

$107.75

138.

Jared

invests $10,000 in a savings account that pays 3% simple interest. How many years will it take for the account

to grow to $12,700, if he makes no withdrawals or deposits?

a)

7 years

b)

12 years

c)

9 years

d)

22 years

139.

Tran

invests $15,000 in a savings account that pays 4% simple interest. About how many years will it take for the

account to double at this interest rate?

a)

7 years

b)

60 years

c)

25 years

d)

27 years

140.

The simple interest formula is I=Prt. The P represents the principle. The principle is ___________________.

a)

the amount of money borrowed or deposited

b)

the percent interest for his year

c)

the amount taxed

d)

the amount the bank owes you for being a customer at their bank

141.
Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?
a)
$800
b)
$1,000
c)
$1,200
d)
$1,500
142.

If you are calculating the simple interest and you are given the time in months. How can you find the time in years?

a)

divide 12 by the months

b)

divide the months by 12

c)

multiply 12 times the months

d)

change the months to a decimal

143.

You lend $240 to your friend. He pays you back $30 in interest in one year. What interest rate did you charge your friend?

a)

88%

b)

20%

c)

12.5%

d)

10%

144.

The compound interest formula is:

A = P(1 + r)t


What does the A represent?

a)

The amount of interest earned.

b)

The amount of time that has passed.

c)

The total amount of money after a certain amount of time.

d)

The amount required to invest.

145.

If $1,000 is invested at 16% interest, compounded annually, for five years, what is the ending balance?

a)

$1,225,54

b)

$2,100.34

c)

$22,255.40

d)

$225.54

146.

the time has to be in _____________

a)

years

b)

months

c)

days

d)

seconds

147.
Ricco deposits $500 in an account that earns 2.5% interest compounded annually for 3 years.  Wally deposits $500 in an account that earns 5.1% interest compounded annually for 2 years.  Who will earn the greatest amount of interest?
a)
Ricco will earn $13.85 more than Wally
b)
Wally will earn $13.85 more than Ricco
148.
Harley wants to buy a car that costs $15,000.  Bank One offers her a 3 year loan at a simple interest rate of 9%.  Bank Two offers her a 5 year loan at an annual compound interest rate of 3.5%.  Which bank offer should she choose?
a)
She will pay $1,234.70 less if she chooses Bank Two.
b)
She will pay $1,234.70 less if she chooses Bank One.
149.
Both Ryan and Tom open their accounts with an initial deposit of $3500. They are both planning a six-year investment and will withdraw their money after 6 years. Who will have a greater balance in six years? How much more will that person have?
a)
Tom will have $83.77 more than Ryan.
b)
Ryan will have $83.77 more than Tom.
c)
Ryan will have $3416.23 more than Tom.
d)
Tom will have $3416.23 more than Ryan.
150.
Rosie will deposit $1,420 in an account that earns 4% simple interest every year for 4 years. Her sister Avery will deposit $1,400 in an account that earns 6% interest compounded annually for 4 years.  What is the difference in the amount earned between the two sisters over the 4 years?
a)
Rosie will earn $120.27 more than Avery.
b)
Avery will earn $1540.27 more than Rosie.
c)
Rosie will earn $1540.27 more than Avery.
d)
Avery will earn $120.27 more than Rosie.