Percents Proportions

Mr. Boyle replaced 25% of the boards on his wooden deck.  If he replaced 19 boards, how many boards does his deck contain in total?

• 49 boards

• 19 boards

• 25 boards

• 76 boards

75% of what number is 48?

• 48

• 100

• 64

• 75

75% of what number is 27?

• 30

• 36

• 25

• 40

How many minutes if 40% of 120 minutes?

• 2

• 60

• 48

• 35

What is the ratio of red apples to green apples?

• 7 to 3

• 4 to 7

• 4 to 3

• 3 to 4

• 3
• 5.3
• 1.08
• 27

78 is what percent of 450?

• 5%
• .17
• 17%
• 18%

Solve for x 

• x = 6

• x = 25

• x = 28

• x = 17

What is the percent of increase for a population that changed from 438,000 to 561,000 to the nearest hundredth?

• 28.08% increase

• 28.08% decrease

• 28% increase

• 23% increase

In a recent survey, 216 people, or 54% of the sample, said they usually went to a family restaurant when they eat out.  How many people were surveyed?

• 400

• 117

• 432

• 540