1-7 lesson understand rets and unit rates

A hippopotamus can run 6 kilometers in 15 minutes. At this rate, how far can the hippopotamus run in 1 minute?

• 0.6

• 0.4

• 0.7

• 2

Imena earned $261 last week. If she worked 18 hours and earned the same amount each hour, how much was she paid per hour?

• 14.5

• 61

• 51.7

• 10.13

A cat’s heart beats approximately 45 times in 15 seconds. At this rate how many times does the cat′s heart beat per second?

Mr. Farley used 4 pounds of hamburger to make 10 hamburger patties of the same size. How many pounds of hamburger did he use per patty? Express your answer as a decimal.

• 0.4

• 0.5

• 0.3

• 56

he Houck family and Roberts family took trains for their family vacations, traveling at constant rates. The Houck family′s train traveled 552 miles in 6 hours and the Roberts family′s train traveled 744 miles in 8 hours.

 

Which family's train is traveling at a faster rate? Justify your answer. 

• Houck family; The train traveled 184 miles per hour.

• Roberts family; In 1 hour, the train traveled 93 miles.

• Roberts family; It took the train 1 hour to travel 200 miles.

The Houck family and Roberts family took trains for their family vacations, traveling at constant rates. The Houck family′s train traveled 552 miles in 6 hours and the Roberts family′s train traveled 744 miles in 8 hours.

How much faster did the faster train travel?

 

• 2

• 6

• 8

• 1