Name________________________

 

                                                     CALCULATING UNIT RATES #4_KEY

 


Directions:  For each problem below, set up a proportion to represent the situation. Then solve the proportion to f

ind the unit rate.

 

Example:  Malcolm scored 80 points in two games.  How many points per game did he score?

 


1)       Aiden scored 228 points in 12 games.  How many points per game did he score?

       Proportion:                                                                Solution: 19 points/game

 

2)      Sophia earned $480 in 32 hours.  How much did she earn per hour?

       Proportion:                                                                Solution: 15 dollars/hour

 

3)      Jacob drove 27 laps in 3 minutes.  How many laps per minute did he run?

       Proportion:                                                               Solution: 9 laps/minute

 

4)      Isabella flew 660 miles in 165 minutes.  How many miles per minute did she fly?

       Proportion:                                                           Solution: 4 miles/minute

 

5)      In 3 days, the temperature dropped 27 degrees.  How many degrees per day did the temperature drop?

       Proportion:                                                                  Solution: 9 degrees/day

 

6)      Ava read 105 books in 15 months.  How many books per month did she read?

       Proportion:                                                               Solution: 7  books/month

 

7)      Jayden filled his 288 gallon pool with water in 6 hours.  How many gallons per hour did he use?

       Proportion:                                                               Solution: 48 gallons/hour

 

8)      Addison drove 1,170 miles in 18 hours.  What was her speed in miles per hour?

       Proportion:                                                                Solution: 65 miles/hour

 

9)      Jackson made 468 calls in 36 days.  What is the average number of calls he made in a day?

       Proportion:                                                                     Solution: 13 calls/day

 

10)  Hailey’s plane climbed 3,690 feet in 90 seconds.  How fast did her plane climb every second?

       Proportion:                                                             Solution: 41 feet/second