Quiz about Percents Review 2.0

Question 1

Mrs. York's homeroom recorded the total number of books read per month. In May, they read 72 books, and in June they read 56 books. What was the approximate percent decrease from May to June?

Accepted Answer

22% decrease

Answer

4% decrease

Answer

4.5% decrease

Answer

16% decrease

Question 2

Mark had a salary of $36,500 last year. This year his salary is $38,325. what percent raise did Mark receive?

Accepted Answer

5%

Answer

3%

Answer

4%

Answer

6%

Question 3

Mitch bought a shirt regularly priced $35.00. With a 30% markdown and a sales tax of 6%, about what is the cost of Mitch's shirt?

Accepted Answer

$26

Answer

$37

Answer

$23

Answer

$22

Question 4

A half-cup of brownie mix has 5% of the total daily allowance for cholesterol. The total daily allowance of cholesterol is 300 mg. How much cholesterol does a half-cup of brownie mix have?

Accepted Answer

15 mg

Answer

20 mg

Answer

60 mg

Answer

100 mg

Question 5

John will need to borrow $20,000 to buy a new car. He will end up paying $3,600 in simple interest after 6 years. What is the interest rate for the loan? (Use the formula I=prt)

Accepted Answer

3%

Answer

9%

Answer

2%

Answer

5%

Question 6

Jane needs $30.00 to buy her father a present. She has saved 24% of that amount already. How much more money does she need to buy the present?

Accepted Answer

$22.80

Answer

$6.00

Answer

$7.20

Answer

$13.20

Question 7

Joe's science average in the first quarter was an 83. In the second quarter, his average was 93. What was the percent increase in his math grade?

Accepted Answer

12% increase

Answer

6% increase

Answer

8.3% increase

Answer

11% increase

Question 8

Sam's bill at the restaurant came to $28.15. He wants to leave a 15% tip. What is the total cost?

Accepted Answer

$32.37

Answer

$23.93

Answer

$28.15

Answer

$4.22

Question 9

The cost of a lamp is $29.95. Sales tax is 6%. About how much will the lamp cost, including tax?

Accepted Answer

$32

Answer

$29

Answer

$30

Answer

$33

Question 10

If the price of ice cream is raised from 50 cents to 60 cents, what is the percent increase in the price?

Accepted Answer

20%

Answer

10%

Answer

16.7%

Answer

83.3%

Question 11

Mrs. Pearson borrowed $1,000.00 for a year at a rate of 6% per year. What was the total amount she needed to pay off the loan at the end of the year?

Accepted Answer

$1060

Answer

$1006

Answer

$1600

Answer

$6000

Question 12

Ten years ago, Henry's comic book was worth $2.50. Now it is worth $13. Find the percent of change.

Accepted Answer

420% increase

Answer

81% increase

Answer

80% increase

Answer

42% increase

Question 13

3,975 people were asked to participate in a survey. Only 26% of the people answered the survey questions. About how many people answered the survey?

Accepted Answer

1000

Answer

1800

Answer

1500

Answer

90

Question 14

Last year, Maria earned $5.00 per hour baby-sitting. This year she earns $5.50 per hour. What is the percent of change?

Accepted Answer

10% increase

Answer

10% decrease

Answer

9% increase

Answer

9% decrease

Question 15

Josh bought a game that sold for $64. It was discounted 10%. The sales tax was 6%. What was the final cost?

Accepted Answer

$61.06

Answer

$54.14

Answer

$57.60

Answer

$66.18

Question 16

One month, the price of gas was $3.59. The next month the price of gas was $3.74. What was the approximate percent of change from one month to the next?

Accepted Answer

4% increase

Answer

4% decrease

Answer

3% increase

Answer

3% decrease

Question 17

Sally has just purchased a pair of jeans that were originally priced at $38.00. She received a 20% discount and had to pay 7% tax. What was the total amount of her bill?

Accepted Answer

$32.53

Answer

$28.27

Answer

$33.06

Answer

$48.79

Question 18

At the beginning of the season, a baseball player's batting average was .222. At the end of the season, his average was .249. What is the percent of change, rounded to the nearest tenth?

Accepted Answer

12.2% increase

Answer

0.1216% increase

Answer

0.121% increase

Answer

12.1% increase

Question 19

Maggie's father bought a lawn mower. He borrowed $700.00 at a 15% interest rate for 3 years. How much interest will he pay? (Use the formula I=prt)

Accepted Answer

$315

Answer

$32

Answer

$383

Answer

$655

Question 20

The price of a dvd is marked down from $12.50 to $10.00. What is the percent of decrease?

Accepted Answer

20%

Answer

25%

Answer

40%

Answer

80%

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