If necessary, round your answers to 1 decimal digit.

1 a. Cindy rides her bike for 0.4 hours with a constant speed of 12 mph and then for another 17 minutes with a constant speed of 13 mph. What distance did she go?

 
 
 
 
 
 
 
 
 
2 a. An airplane flies 3500 km with a constant speed of 1000 km/h and another 1680 km with a constant speed of 960 km/h. How much time in total does it take to travel these distances?

 
 
 
 
 
 
 
 
 
3 a. Sarah rides her horse for 2 3/4 hours with a constant speed of 12 mph and then for another 1 hour with a constant speed of 6 mph. What distance did she go?

 
 
 
 
 
 
 
 
 
Page 2

Answer Key

1 a. She traveled a distance of 8.5 miles.
2 a. It takes 5 hours and 15 minutes to travel the two distances.
3 a. She traveled a distance of 39 miles.


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