Quiz about Basic Percents Review

Question 1

24 is what percent of 30?

Accepted Answer

80%

Answer

125%

Answer

1.25%

Answer

0.8%

Question 2

Buying a birthday card, you think price is $4.50, but actual price is $4. What is the percent error?

Accepted Answer

12.5%

Answer

50%

Answer

0.5%

Answer

0.125%

Question 3

114 is 80% of what number?

Accepted Answer

142.5

Answer

110

Answer

25

Answer

175

Question 4

Renee thinks it will take 95 minutes to run 7 miles. She runs it in 80. What is her % of error?

Accepted Answer

18.75%

Answer

15%

Answer

15.79%

Answer

8.42%

Question 5

David bought a bike for $125, but has been offered $200. What is the percent of change?

Accepted Answer

60%

Answer

37.5%

Answer

75%

Answer

160%

Question 6

They estimated that 60 people would come to eat, but only 45 attended. Whats the % of error?

Accepted Answer

33 1/3%

Answer

15%

Answer

25%

Answer

75%

Question 7

35 is what % of 45?

Accepted Answer

78%

Answer

68%

Answer

75%

Answer

67%

Question 8

Jo figures she'll get a 90% on her test, but she got a 95%. What is her percent of error? Round to the nearest whole percent.

Accepted Answer

5%

Answer

6%

Answer

4%

Answer

-5%

Question 9

The sneakers were $200, but are now on sale for $75. What is the percent of change?

Accepted Answer

62.5%

Answer

75%

Answer

125%

Answer

37.5%

Question 10

A baseball pitcher won 80% of his games. If he pitched 35 games, how many games did he win?

Accepted Answer

28

Answer

52

Answer

38

Answer

24

Question 11

MaryJo thinks there are 430 passengers, but there are 380. What is her percent of error?

Accepted Answer

13.16%

Answer

12.5%

Answer

11.63%

Answer

50%

Question 12

An electrician, worked 7 months out of the year. What percent of the year did they work?

Accepted Answer

58%

Answer

59%

Answer

60%

Answer

53%

Question 13

Last year a Whopper cost $2.40. This year the price is $2.70. Find the percent of change.

Accepted Answer

12.5% increase

Answer

14.5% increase

Answer

12.5% decrease

Answer

14.5% decrease

Question 14

Susan baked 24 cupcakes, but actually needed 37. What was her % error?

Accepted Answer

35%

Answer

154%

Answer

65%

Answer

54%

Question 15

36 carpenters are in a crew. Today, 29 were present. What percent of the crew worked today?

Accepted Answer

81%

Answer

80%

Answer

82%

Answer

65%

Question 16

This year, there are 900 7th graders. Last year there were 810. Find the % of change.

Accepted Answer

11%

Answer

10%

Answer

90%

Answer

0.11%

Question 17

In a class of 28 total students, sixteen of those students are males. What percent are female?

Accepted Answer

43%

Answer

57%

Answer

45%

Answer

32%

Question 18

Lavender grew from 38 inches to 52 inches in one month; what was the % increase in growth?

Accepted Answer

37

Answer

35

Answer

42

Answer

93

Question 19

Josh always leaves a 20% tip. Yesterday his server received $4.50 from him as a tip. What was the amount of his bill?

Accepted Answer

$22.50

Answer

$20.00

Answer

$0.90

Answer

$25.50

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