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Unit 2 Review

Total questions: 75

Worksheet time: 5hrs 3mins

Name
Class
Date
1.
If there are 5 boys and 7 girls, write the ratio of girls to boys.
a)
5 to 7
b)
7 to 5
c)
5 to 12
d)
7 to 12
2.
Ten soccer players were going to a soccer tournament with their three coaches. What is the ratio of coaches to players? 
a)
10 : 3
b)
10:13
c)
3 : 10
d)
3:13
3.
What number is missing?
a)
12
b)
3
c)
11
d)
13
4.
What is B?
a)
3
b)
9
c)
2
d)
6
5.
What is C?
a)
80
b)
24
c)
96
d)
92
6.

Luz earns $400 for 40 hours of work. Use a ratio table to determine how much she earns for 6 hours of work.

a)

$60.00

b)

$20.00

c)

$40.00

d)

$10.00

7.

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

a)

6/4

b)

4/6

c)

1/3

d)

10/16

8.

Determine whether each pair of ratios forms a proportion

a)

Proportion

b)

Not a Proportion

9.

Determine whether each pair of ratios forms a proportion

a)

Proportion

b)

Not a Proportion

10.
Solve for x 
a)
x = 16
b)
x = 28
c)
x = 1/26
d)
x = 26
11.
Solve the proportion:
a)
4
b)
8
c)
14
d)
10
12.
Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?
a)
$30
b)
$20
c)
$60
d)
$10
13.
The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?
a)
480
b)
1960
c)
84
d)
25
14.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
15.
Find the unit rate of 624 calories in 3 servings.
a)
1,872 calories per serving
b)
208 calories per serving
c)
624 calories per serving
d)
621 calories per serving
16.
What is the constant of proportionality for this table?
a)
1/9
b)
9
c)
8
17.
What makes a graph proportional?
a)
Linear
b)
The line is only in quadrant 1
c)
Curvy line
d)
Linear and the line goes through the origin
18.
Which graph is proportional?
a)
A
b)
B
c)
C and D
d)
All of the graphs are proportional
19.
Does the table represent a proportional relationship?
a)
Yes.
b)
No.
20.
Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality (how much did he make per hour)?
a)
$37
b)
$64.75
c)
$9.25
d)
$18.50
21.

Write and solve a proportion for this scenario.

If Shane can bake 120 dozen cookies in five days, how many days would it take to bake 800 dozen cookies?

a)

about 34 days

b)

about 30 days

c)

about 12 days

d)

about 7 days

22.

Write and solve a proportion for this scenario.

Marin can write 4 pages of her novel in 22 minutes. If she keeps that pace, how long would it take to write 200 pages?

a)

1100 minutes

b)

36 minutes

c)

1192 minutes

d)

898 minutes

23.

Mrs. Sparks has been craving smoothies lately. She buys a 20oz chocolate smoothie for $7. Mrs. Jones also buys a 17oz chocolate smoothie. How much is Mrs. Jones smoothie?

a)

$5.95

b)

$6

c)

8.24

24.

Finley and Cooper are wanting to go to Skyzone. Finley pays $53.75 for 5 hours. How much will Cooper pay for 3 hours?

a)

$32.25

b)

$89.53

c)

26.88

25.

An airplane travels at a constant speed of 320 miles per hour. How far, in miles, will the airplane travel in 15 minutes?

a)

80 miles

b)

20 miles

c)

40 miles

d)

60 miles

26.

Seventy-five 6th-grade students chose to watch a movie on the last day of school. This is 25% of the 6th-grade class. How many total students are in the 6th grade?

a)

100

b)

200

c)

300

d)

400

27.

See picture

a)

15

b)

20

c)

25

d)

30

28.

If 45% of a number, n, is 225, what is 74% of n?

a)

185

b)

298

c)

406

d)

370

29.

At a middle school, 74 students have freckles. There are 258 students in the school. To the nearest tenth of a percent, what percent of the students have freckles?

a)

18.4%

b)

28.7%

c)

34.6%

d)

40.2%

30.
Melissa drives 238 miles in 5 hours. What is her average rate of speed?
a)
40 MPH
b)
46 MPH
c)
48 MPH
d)
50 MPH
31.

What is the ratio of shaded squares to not shaded squares?

a)

10:5

b)

10:6

c)

6:10

d)

10:18

32.
2.) Find the unit rate:  395 miles in 5 hours
a)
75 miles per hour
b)
71 miles per hour
c)
79 miles per hour
d)
72 miles per hour
33.
Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?
a)
35%
b)
67%
c)
85%
d)
92%
34.
The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?
a)
21%
b)
17.37%
c)
17.4%
d)
21.02%
35.
The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?
a)
15.79%
b)
18.75%
c)
2.25%
d)
18%
36.

Cary's dad gave her $20.00 to spend on shoes at the mall. Cary spent 85% of the money on one pair of shoes. How much money does Cary's dad get back from his $20.00?

(a)  

37.

Thirty percent of 60 students polled said dogs were their favorite pets. How many of the 60 students preferred dogs?

a)

60

b)

30

c)

50

d)

18

e)

90

38.

Hank is buying a shirt that originally cost $25.00. It was on sale two weeks ago for 10% off. Today, it is an additional 20% off the original price. How much is the shirt now?

(a)  

39.

Lisa's little brother weighed 8 pounds when he was born. He now weighs 36 pounds. What is the percent increase in the boy's weight?

a)

350%

b)

4%

c)

40%

d)

78%

40.

Find Percent Change:

24 people to 30 people

a)

25% increase

b)

6% increase

c)

80% increase

d)

20% increase

41.
Ten soccer players were going to a soccer tournament with their three coaches. What is the ratio of coaches to players? 
a)
10 : 3
b)
10:13
c)
3 : 10
d)
3:13
42.
What number is missing?
a)
12
b)
3
c)
11
d)
13
43.
What is B?
a)
3
b)
9
c)
2
d)
6
44.
What is C?
a)
80
b)
24
c)
96
d)
92
45.

Luz earns $400 for 40 hours of work. Use a ratio table to determine how much she earns for 6 hours of work.

a)

$60.00

b)

$20.00

c)

$40.00

d)

$10.00

46.

Complete the ratio table.

a)

2

b)

4

c)

0

d)

1

47.

Patrick has 2 black, 3 red, and 5 white toy cars. What is the ratio of red toy cars to all the toy cars? 

a)
3:5
b)
1:3
c)
3:11
d)
3:10
48.

Determine whether each pair of ratios forms a proportion

a)

Proportion

b)

Not a Proportion

49.
Solve for x 
a)
x = 16
b)
x = 28
c)
x = 1/26
d)
x = 26
50.
Solve the proportion:
a)
4
b)
8
c)
14
d)
10
51.
Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?
a)
$30
b)
$20
c)
$60
d)
$10
52.
The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?
a)
480
b)
1960
c)
84
d)
25
53.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
54.
Find the unit rate of 624 calories in 3 servings.
a)
1,872 calories per serving
b)
208 calories per serving
c)
624 calories per serving
d)
621 calories per serving
55.
What is the constant of proportionality for this table?
a)
1/9
b)
9
c)
8
56.
Write an equation for this situation.
a)
y=9.75x
b)
y=19x
c)
y=19.25x
d)
y=9.5x
57.
Which graph is proportional?
a)
A
b)
B
c)
C and D
d)
All of the graphs are proportional
58.
Does the table represent a proportional relationship?
a)
Yes.
b)
No.
59.
Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality (how much did he make per hour)?
a)
$37
b)
$64.75
c)
$9.25
d)
$18.50
60.

Does the equation x - 5 = y form a proportion?

a)

Yes, because k = -5

b)

Yes, because it forms a line

c)

No, because the lines does not pass through the origin.

d)

No, because the line passes through the origin.

61.

Solve for h. 2 in5 ft=8.5 inh ft\frac{2\ in}{5\ ft}=\frac{8.5\ in}{h\ ft}  

a)

14

b)

12.2

c)

21

d)

21.25

62.

Mary had saved $17.50 in the past 3 weeks. At this rate, how much will she save in 15 weeks?

a)

67.50

b)

40.00

c)

87.50

d)

nothing

63.

An airplane travels at a constant speed of 320 miles per hour. How far, in miles, will the airplane travel in 15 minutes?

a)

80 miles

b)

20 miles

c)

40 miles

d)

60 miles

64.

There are 4 trucks for every 5 cars in a parking lot. How many trucks and cars could be in the parking lot?

a)

72 trucks and 73 cars

b)

64 trucks and 80 cars

c)

84 trucks and 100 cars

d)

96 trucks and 110 cars

65.

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

a)

3 : 8

b)

3 : 5

c)

2 : 8

d)

2 : 5

66.

See picture

a)

15

b)

20

c)

25

d)

30

67.

If 45% of a number, n, is 225, what is 74% of n?

a)

185

b)

298

c)

406

d)

370

68.

At a middle school, 74 students have freckles. There are 258 students in the school. To the nearest tenth of a percent, what percent of the students have freckles?

a)

18.4%

b)

28.7%

c)

34.6%

d)

40.2%

69.
Kevin is mixing paint to make orange. The ratio of red paint to yellow paint is 3 oz to 5 oz. How much yellow paint should he mix with 9 oz of red paint?
a)
15 oz
b)
30 oz
c)
45 oz
d)
11 oz
70.
REVIEW QUESTION
Is this table proportional or non-proportional?
a)
Proportional
b)
Non-Proportional
c)
both
d)
neither
71.
Is this table proportional?
a)
Yes
b)
No
72.
Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?
a)
35%
b)
67%
c)
85%
d)
92%
73.
The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?
a)
21%
b)
17.37%
c)
17.4%
d)
21.02%
74.
The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?
a)
15.79%
b)
18.75%
c)
2.25%
d)
18%
75.
If there are 5 boys and 7 girls, write the ratio of girls to boys.
a)
5 to 7
b)
7 to 5
c)
5 to 12
d)
7 to 12

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