If necessary, round your answers to 1 decimal digit.

1 a. Mary rides her horse with a constant speed of 13 miles per hour. How long will she take to travel a distance of 21.9 miles?

 
 
 
 
 
 
 
 
 
1 b. Mary roller skates with a constant speed of 13 km/h. How long will she take to travel a distance of 59.4 kilometers?

 
 
 
 
 
 
 
 
 
2 a. An airplane flies with a constant speed of 720 km/h. How far can it travel in 3.8 hours?

 
 
 
 
 
 
 
 
 
2 b. Sarah roller skates with a constant speed of 10 km/h. How far can she travel in 3.8 hours?

 
 
 
 
 
 
 
 
 
3 a. An airplane flies with a constant speed of 820 miles per hour. How far can it travel in 3 hours?

 
 
 
 
 
 
 
 
 
3 b. An airplane flies with a constant speed of 580 miles per hour. How long will it take to travel a distance of 1566 miles?

 
 
 
 
 
 
 
 
 
Page 2

Answer Key

1 a. She takes 1 hour 41 minutes or 1s to travel a distance of 21.9 miles.
1 b. She takes 4 hours 34 minutes or 4s to travel a distance of 59.4 kilometers.
2 a. It can travel 2736 kilometers in 3.8 hours.
2 b. She can travel 38 kilometers in 3.8 hours.
3 a. It can travel 2460 miles in 3 hours.
3 b. It takes 2.7 hours to travel a distance of 1566 miles.


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