Quiz about Percents Proportions

Question 1

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:

The test is worth 12 points.

The test score is 75%.

Accepted Answer

p/12=75/100

Answer

p/12=100/75

Answer

p/100=12/75

Answer

p/75=12/100

Answer

none of these

Question 2

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:

The test is worth 60 points.

The test score is 50%.

Accepted Answer

p/60=50/100

Answer

p/100=50/60

Answer

p/50=60/100

Answer

p/60=100/50

Answer

none of these

Question 3

Which proportion would allow you to solve for the missing side, x?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 4

Solve the proportion:

Accepted Answer

8

Answer

4

Answer

14

Answer

10

Question 5

Solve the proportion.

Accepted Answer

p=308

Answer

p=31.3

Answer

p=924

Answer

p=532

Question 6

Question 6.

Accepted Answer

3.25

Answer

2.5

Answer

1

Answer

-2.25

Question 7

What percent of 50 is 20?

Accepted Answer

40%

Answer

25%

Answer

2.5%

Answer

4%

Question 8

78 is what percent of 450?

Accepted Answer

17%

Answer

5%

Answer

.17

Answer

18%

Question 9

What is 40% of 230?

Accepted Answer

92

Answer

9200

Answer

9.20

Answer

575

Question 10

The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are empty?

Accepted Answer

10%

Answer

20%

Answer

80%

Answer

90%

Question 11

Bill is in a class of 15 boys and 35 girls. 40% of the students in the class take the bus to school. How many students do not take the bus to school?

Accepted Answer

30

Answer

15

Answer

20

Answer

35

Question 12

In the Central City Grand Prix, out of 30 cars that started the race, 12 of them finished. What percent of the cars finished the race?

Accepted Answer

40%

Answer

20%

Answer

60%

Answer

80%

Question 13

On an 88 question test, Phil missed 11 questions. What is his exact grade for that test?

Accepted Answer

87.5%

Answer

12.5%

Answer

13%

Answer

88%

Question 14

34% of what number is 51?

Accepted Answer

150

Answer

69

Answer

71

Answer

196

Question 15

What percent of 145 is 29?

Accepted Answer

20%

Answer

2%

Answer

3%

Answer

18%

Question 16

64 is 40% of what number?

Accepted Answer

160 - painting

Answer

104 - writing

Answer

25.6 - baking brownies

Answer

108 - washing dishes

Question 17

A person ate 2400 calories in a day.  Of these, 36% came from fat.  How many calories came from fat?

Accepted Answer

864 - a roller

Answer

984 - a water hose

Answer

830 - a paintbrush

Answer

1142 - a sponge

Question 18

The hockey team won 63 out of the 84 games it played this year.  What percent of the games did the team win?

Accepted Answer

75% - a short ladder

Answer

70% - an elephant

Answer

72% - a chair

Answer

80% - a tall ladder

Question 19

Kate used a 30% off coupon to purchase a sweater. If she saved $14.40, what was the original price of the sweater?

Accepted Answer

$48.00

Answer

$45.20

Answer

$52.40

Answer

$54.00

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