If necessary, round your answers to 1 decimal digit.

1 a. Julia roller skates 34.8 miles with a constant speed of 12 mph and another 15.4 miles with a constant speed of 7 mph. How much time in total does she take to travel these distances?

 
 
 
 
 
 
 
 
 
2 a. John roller skates 36.8 km with a constant speed of 8 km/h and another 81.3 km with a constant speed of 16 km/h. How much time in total does he take to travel these distances?

 
 
 
 
 
 
 
 
 
3 a. A van moves 50.7 km with a constant speed of 39 km/h and another 255.9 km with a constant speed of 101 km/h. How much time in total does it take to travel these distances?

 
 
 
 
 
 
 
 
 
Page 2

Answer Key

1 a. She takes 5 hours and 6 minutes to travel the two distances.
2 a. He takes 9 hours and 41 minutes to travel the two distances.
3 a. It takes 3 hours and 50 minutes to travel the two distances.


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