Rates and Percents

Convert 4/5 to a percent:

• 45%

• 0.45

• 80%

• 1.25%

If Jack earns $46.80 for 6 hours of work, what is his rate of pay?

• $6.80 per hour

• $46.80 per week

• $62.00 per day

• $7.80 per hour

Which of the following describes a unit rate?

• 13 pounds per 12 inches

• 15 fish per 12 gallons

• 24 hours per day

• 55 miles in 3 hours

What is 50% of 15?

• 30
  

• 7.5

• 7

• 8.5

If 8 is 40% of a number, what is the number?

• 20

• 10

• 15

• 25

Answer explanation

To find the number, divide 8 by 0.40 (40%). 8 ÷ 0.40 = 20. Therefore, the number is 20.

If 50 is 25% of a number, what is the number?

• 200

• 100

• 150

• 250

Answer explanation

To find the number, divide 50 by 25% (or 0.25). 50 ÷ 0.25 = 200. Therefore, the number is 200.

What is 35% of 180?

• 63

• 70

• 75

• 80

If 15% of a number is 30, what is the number?

• 100

• 150

• 250

• 200

A student scored 85% on a test with 120 questions. How many questions did the student answer correctly?

• 110

• 102

• 100

• 90

A percent is a number out of...

• 1

• 50

• 100

• itself