Quiz about MATH MODELS FINAL - 3ST SEMESTER

Question 1

Emilio borrows $1200 from a bank with 8% simple interest per year. How much will he have to pay back total in 2 years? I = prt (You have to add the principal to the interest)

Accepted Answer

$192

Answer

$150

Answer

$1350

Answer

$1392

Question 2

Starting money = $350.

Interest rate = 2.5%

TIme = 3 years.

How much interest?

I = PRT

Accepted Answer

$26.25

Answer

$7.50

Answer

$87.5

Answer

$262.50

Question 3

Principal = $800

Interest Rate = 3.5%

Time = 2 years

Find the interest earned.

I = PRT

Accepted Answer

56

Answer

140

Answer

168

Answer

16.80

Question 4

Dan borrowed $2,000 for 6 months at 12% annual simple interest rate. How much interest is that? Remember your time has to be in YEARS!! 6 months is half of a year or .5

I = PRT

Accepted Answer

$120

Answer

$144

Answer

$1,200

Answer

$1,440

Question 5

Caiden earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% in simple interest. What will be his balance after 15 years?

I = PRT you need to add principal to the interest

Accepted Answer

$270.75

Answer

$745.75

Answer

$2,707.50

Answer

$846.80

Question 6

Principal = $500

Interest rate =5%

Time = 5 years

What is the interest earned?

I = PRT

Accepted Answer

125

Answer

95

Answer

105

Answer

135

Question 7

What does the "r" in the interest formula stand for?

Accepted Answer

rate

Answer

Principal

Answer

Interest

Answer

time

Question 8

What does the "p" in the interest formula stand for?

Accepted Answer

Principal

Answer

Interest

Answer

rate

Answer

time

Question 9

The rate is given as a percent (%).  Before using it in the simple interest formula, you must first convert it to a______.

Accepted Answer

decimal

Answer

fraction

Answer

ratio

Answer

dollar amount

Question 10

John put 14,000 Euros in an account at a simple interest rate of 1% per year. How much interest will he get after 12 years?

I = PRT

Accepted Answer

1,680 Euros

Answer

16,800 Euros

Answer

168,000 Euros

Question 11

What does the "I" in the interest formula stand for?

Accepted Answer

Interest

Answer

Principal

Answer

Rate

Answer

Time

Question 12

True of False: Before you can calculate INTEREST your time must be in YEARS!

Accepted Answer

TRUE

Answer

FALSE

Question 13

Write the percent as a decimal.
4.3%

Accepted Answer

.043

Answer

4.3

Answer

.43

Answer

4300

Question 14

Write the percent as a decimal.
5%

Accepted Answer

.05

Answer

5

Answer

.5

Answer

500

Question 15

Write the percent as a decimal.
3.25%

Accepted Answer

.0325

Answer

.325

Answer

3250

Answer

32.5

Question 16

9 months is how many years? Remember there are 12 months in a year.
9/12 = x/100
Cross multiply and divide

Accepted Answer

.75

Answer

.5

Answer

.25

Question 17

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown.
What is the probability of selecting a brown candy?

Accepted Answer

1/10

Answer

2/18

Answer

1/9

Answer

2/20

Question 18

What is the probability of rolling an even number on a dice. The dice is numbered 1-6.

Accepted Answer

1/2

Answer

3/6

Answer

1/6

Answer

5/6

Question 19

Based on the chart, what is the probability of pulling a green marble?

Accepted Answer

8/25

Answer

1/8

Answer

8/100

Answer

7/8

Question 20

What is the probability of getting any letter that is not A?

Accepted Answer

3/4

Answer

6/8

Answer

2/8

Answer

1/4

Question 21

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

Accepted Answer

5/6

Answer

1/2

Answer

1/3

Answer

1/6

Question 22

Sam is fishing in a new catch and release pond that was just stocked with 3 bluegill, 4 catfish, 7 bass, and 2 carp. He catches a fish, releases it, then catches another. What is the probability that he caught a bluegill, then a carp?

Accepted Answer

3/124

Answer

1/40

Answer

1/8

Answer

5/16

Question 23

A fruit basket contains
9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears?

Accepted Answer

1/30

Answer

9/49

Answer

4/125

Answer

1/10

Question 24

Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple.

Accepted Answer

3/4

Answer

3/5

Answer

3/20

Answer

2/5

Question 25

Find the Maximum

Accepted Answer

98

Answer

68

Answer

85

Answer

93

Question 26

Find the Minimum

Accepted Answer

68

Answer

98

Answer

85

Answer

93

Question 27

Find the Median

Accepted Answer

85

Answer

98

Answer

93

Answer

78

Question 28

80 sixth grade students picked their favorite elective. Which is closest to the total number of students that picked band and choir?

Accepted Answer

40

Answer

80

Answer

4

Answer

20

Question 29

If 200 people were surveyed, approximately how many people like pepperoni and cheese as their topping?

Accepted Answer

150 people

Answer

100 people

Answer

50 people

Answer

75%

Question 30

What fraction of votes did the hamster get?

Accepted Answer

6/20

Answer

6/10

Answer

3

Answer

30%

Question 31

What fraction of cars were sold on Monday?

Accepted Answer

4/28

Answer

3/28

Answer

4

Answer

14%

Question 32

What is the mean of these numbers?
4,5,5,2,3,3,2,8

Accepted Answer

4

Answer

40

Answer

24

Answer

256

Question 33

Find the median:
3, 5, 7, 4, 3, 1

Accepted Answer

3.5

Answer

3 and 4

Answer

There isn't one

Answer

3

Question 34

On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________

Accepted Answer

91

Answer

273

Question 35

What is the definition of the mean?

Accepted Answer

The average

Answer

The middle number

Answer

The difference between the highest and lowest numbers

Answer

The number that occurs the most

Question 36

When finding the median, what do you do if there are two middle numbers?

Accepted Answer

Add them together and divide by 2

Answer

Write them both as the answer

Answer

Give up

Answer

Pick one

Question 37

The number of miles that Kiki cycled each week for a 7-week period is shown:
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Kiki cycled?

Accepted Answer

36

Answer

24

Answer

39

Answer

52

Question 38

In order to find the median, the data must be sorted from least to greatest first.

Accepted Answer

True

Answer

False

Question 39

Lizzy had test scores of: 72, 94, 108, 60
What is the RANGE of her test scores?

Accepted Answer

48

Answer

12

Answer

72

Answer

98

Question 40

Look at the bar graph, "Nicest Fruit". What does the x-axis show?

Accepted Answer

Types of fruit

Answer

The number of people.

Question 41

Look at the bar graph, "Nicest Fruit". What does the y-axis show?

Accepted Answer

Number of people.

Answer

Types of fruit

Question 42

Look at the Bar Graph "Student Grades". Which grade did the smallest number of students get?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 43

How many votes did reading receive?

Accepted Answer

6

Answer

2

Answer

4

Answer

8

Question 44

25% as a decimal:

Accepted Answer

0.25

Answer

02.5

Answer

25

Answer

2500

Question 45

2% as a decimal:

Accepted Answer

0.02

Answer

0.2

Answer

2

Answer

20

Question 46

Alexis worked 24 hours last week. At a rate of $12 per hour, what was Alexis' gross pay?

Accepted Answer

$288

Answer

$36

Answer

$144

Answer

$312

Question 47

Net income is:

Accepted Answer

the amount of money you receive after deductions are subtracted from your gross income

Answer

the total amount of money you earn

Answer

the amount of money that is taken away in the form of taxes

Answer

the hourly rate of pay

Question 48

Gross income minus deductions equals your net income.

If Amorelle made $384 in gross income and her deductions are $122, what is her net income?

Accepted Answer

$262

Answer

$506

Answer

$406

Answer

$266

Question 49

Marco has the following deductions listed.

Federal Income tax: $44

Social Security tax: $23

Medicare tax: $5

Health Insurance: $24

What is the total amount of his deductions?

Accepted Answer

$96

Answer

$39

Answer

$67

Answer

$91

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