Quiz about Percent Increase and Decrease Tape Diagrams

Question 1

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

Accepted Answer

20%

Answer

35%

Answer

25%

Answer

30%

Question 2

Find the new amount given the original amount and the percent of change.
340 pages; 20% decrease

Accepted Answer

272 pages

Answer

320 pages

Answer

240 pages

Answer

360 pages

Question 3

The average number of shirts sold in the shop was 285 every day in summer. As the temperature was lower and lower, the average number of shirts decreased to 114 every day. What was the percentage decrease of in the average number of shirts sold in the shop?

Accepted Answer

60%

Answer

40%

Answer

150%

Answer

171%

Question 4

The inventory of single houses is 980 in the housing market last year. After some of them were sold, there are 637 single houses left. What was the percentage decrease in the number of single houses?

Accepted Answer

35%

Answer

65%

Answer

53%

Answer

34%

Question 5

What is the % of decrease from 35 to 15?

Accepted Answer

40% decrease

Answer

45% decrease

Answer

10/25

Answer

2/4

Question 6

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 7

Cody weighed 110 pounds when he started 6th grade but now weighs 150 pounds as a 7th grader. What is the percent of increase in his weight?

Accepted Answer

36%

Answer

26%

Answer

33%

Answer

38%

Question 8

Ann works in a supermarket for $10.00 per hour. She received a raise to $12.00. What is the percent of change in her hourly wage?

Accepted Answer

Increase 20%

Answer

Increase 16.67%

Answer

Decrease 16.67%

Answer

Decrease 20%

Question 9

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

Accepted Answer

11%

Answer

24%

Answer

10%

Answer

50%

Question 10

The original price of a camera was $50 and the sale price this week is $38. What is the percent of change in the price of the camera?

Accepted Answer

24%

Answer

12%

Answer

20%

Answer

22%

Question 11

Susie got a raise. She was making $8.75 an hour. Now she is making $9.50. What is the percent of change?

Accepted Answer

9% Increase

Answer

6% Increase

Answer

7% Increase

Answer

8% Increase

Question 12

Mary lost 30 pounds. Before her diet she weighed 180 pounds. What is the percent of change?

Accepted Answer

17% Decrease

Answer

18% Decrease

Answer

19% Decrease

Answer

20% Decrease

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