Quiz about Percent Increase/Decrease (5.1)

Question 1

Find Percent Change:

24 people to 30 people

Accepted Answer

25% increase

Answer

6% increase

Answer

80% increase

Answer

20% increase

Question 2

Find Percent Change:

From 95 trees to 145 trees

Accepted Answer

53% increase

Answer

50% increase

Answer

34% increase

Answer

66% increase

Question 3

Find Percent Change:

From 75 pencils to 225 pencils

Accepted Answer

200% increase

Answer

150% increase

Answer

2% increase

Answer

33% increase

Question 4

Find Percent Change:

From 42 acres to 72 acres

Accepted Answer

71% increase

Answer

30% increase

Answer

42% increase

Answer

58% increase

Question 5

Find Percent Change:

From 20 mins to 11 miles

Accepted Answer

45% decrease

Answer

9% decrease

Answer

82% decrease

Answer

55% decrease

Question 6

Find Percent Change:

From 84 seconds to 8 seconds

Accepted Answer

90% decrease

Answer

76% decrease

Answer

9.5% decrease

Answer

10% decrease

Question 7

Find Percent Change:

From 248 workers to 200 workers

Accepted Answer

19% decrease

Answer

48% decrease

Answer

24% decrease

Answer

124% decrease

Question 8

Find Percent Change:

From 126 cups to 48 cups

Accepted Answer

62% decrease

Answer

78% decrease

Answer

163% increase

Answer

38% decrease

Question 9

Find the new amount:

$25 after 300% increase

Accepted Answer

$100

Answer

$75

Answer

$32.50

Answer

$325

Question 10

Find the new amount:

52 workers after 25% increase

Accepted Answer

65 workers

Answer

13 workers

Answer

39 workers

Answer

77 workers

Question 11

Find the new amount:

160 elephants after 20% decrease

Accepted Answer

128 elephants

Answer

32 elephants

Answer

192 elephants

Answer

140 elephants

Question 12

Find the new amount:

710 zebras after 10% decrease

Accepted Answer

639 zebras

Answer

71 zebras

Answer

781 zebras

Answer

700 zebras

Question 13

Last year, there were 380 students at Woodland Middle School.

This year, the student population will increase by 5%.

What will be the school's new student population?

Accepted Answer

399 students

Answer

570 students

Answer

385 students

Answer

361 students

Question 14

Last year, 2376 people attended a summer music festival.

This year, attendance was 2950.

What was the percent of change in attendance?

(Round to the nearest whole percent)

Accepted Answer

24% increase

Answer

19% increase

Answer

24% decease

Answer

19% decrease

Question 15

Last year, the book fair sold 56 books.

This year there was a 75% decrease in sales.

How many books did they sell this year?

Accepted Answer

14 books

Answer

42 books

Answer

98 books

Answer

19 books

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