Solve Unit Rate Problems

Elisa solved 40 arithmetic problems in 2.5 minutes. Which of the following best represents her unit rate?

• 2.5 problems per minute

• 8 problems per minute

• 16 problems per minute

• 40 problems per minute

• $4.19

• $29.33

• $67.04

• 4117.32

• 3.2 miles

• 60.8 miles

• 80 miles

• 95 miles

• 9.5 hours

• 8 hours

• 9 hours

• 18 hours

On the math portions of the IAR, you will receive this reference sheet. Explore the sheet and identify which unit rate you would use to determine the number of miles equivalent to the number of kilometers.

• 1 mile = 1760 yards

• 1 kilogram = 2.2 pounds

• 1 mile = 1.609 kilometers

• 1 cup = 8 fluid ounces

Ashley biked 32 miles in 2 hours. Mike biked 36 miles in 3 hours. How much farther can Ashley bike than Mike in 5 hours if they both continue at the same rate?

• 80

• 60

• 40

• 20

• A

• B

• C

• D

• F

• G

• H

• J

• 20 days

• 12 days

• 100 days

• 36 days

• 10

• 20

• 80

• 160