Quiz about Percent Review

Question 1

Percentage is out of...

Accepted Answer

100

Answer

1

Answer

10

Answer

1000

Question 2

change .3 to a percent

Accepted Answer

30%

Answer

3%

Answer

300%

Answer

.30%

Question 3

In a class of 50 students, 40 % are girls. Find the number of girls in the class?

Accepted Answer

20 girls

Answer

22 girls

Answer

19 girls

Answer

12 girls

Question 4

What is 15% of 75?

Accepted Answer

11.25

Answer

11

Answer

12

Answer

500

Question 5

Kellie earns a 15% tip. If the customer's bill was $25, how much of a tip did she receive?

Accepted Answer

3.75

Answer

4.00

Answer

3.50

Answer

10

Question 6

There are 110 students in the 7th grade. 90 students showed up to school on the last day. What percentage is this? Round to the nearest whole percent.

Accepted Answer

82

Answer

81

Answer

99

Answer

90

Question 7

Solve for x

Accepted Answer

x=6

Answer

x =1/6

Answer

x = 7

Answer

x=9

Question 8

What percent of 20 is 4?

Accepted Answer

20

Answer

5

Answer

18

Answer

16

Question 9

In Chris's art class, 15% of the Pi Day art projects received a perfect score. There were 40 art projects turned in by Chris's class. How many of the art projects earned a perfect score?

Accepted Answer

6 projects

Answer

2.6 projects

Answer

3 projects

Answer

15 projects

Question 10

Calculate the percent change in temperature if yesterday it was 68 degrees and today it is 53 degrees.

Accepted Answer

-22%

Answer

22%

Answer

28%

Answer

-28%

Question 11

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent change in speeding tickets?

Accepted Answer

Decrease 50%

Answer

Increase 50%

Answer

Increase 1%

Answer

Decrease 1%

Question 12

Francis deposits $400 into the bank. He earns 8% simple interest per year. How much money will be in his account after 4 years?

Accepted Answer

$528

Answer

$128

Answer

$272

Answer

$12,800

Question 13

Mrs. Simons borrowed $9,000 for some home repairs. She will be paying 6% in simple interest over the next three years. What is the total amount she will be paying on the loan?

Accepted Answer

$10,620

Answer

$9,620

Answer

$16,620

Answer

$11,620

Question 14

In January, there were 15 students attending extra help. In February, the number of students attending was 32. What was the percent of change from January to February and was this increase or decrease?

Accepted Answer

113% of increase

Answer

53% of increase

Answer

113% of decrease

Answer

53% of decrease

Question 15

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

Accepted Answer

41%

Answer

52%

Answer

42%

Answer

45%

Question 16

The average cost of a bag of popcorn at the movie theater was $4.50 in 1998 and $5.75 in 2019. Find the percent of change in the price of a bag of popcorn from 1998 to 2019 and classify as a percent increase or percent decrease.

Accepted Answer

27.8% increase

Answer

35.2% decrease

Answer

35.2% increase

Answer

27.8% decrease

Question 17

What is the sale price of an item that original costs $44 but is discounted at 10% off?

Accepted Answer

$39.60

Answer

$4.40

Answer

$48.40

Answer

$34

Question 18

Lilly used money she received for 8th grade graduation to start a new savings account with a simple interest rate of 7.5%. After 12 years, the account had earned $576. If there were no other deposits or withdrawals, what was the original amount placed in the account?

Accepted Answer

$640

Answer

$480

Answer

$550

Answer

720

Question 19

90% of what number is 180?

Accepted Answer

200

Answer

50

Answer

90

Answer

162

Question 20

15 is what percent of 90?

Accepted Answer

16.7%

Answer

15%

Answer

6%

Answer

30%

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