If necessary, round your answers to 1 decimal digit.

1 a. John rides his motorcycle for 4.2 hours with a constant speed of 100 km/h and then for another 4 hours 43 minutes with a constant speed of 67 km/h. What distance did he go?

 
 
 
 
 
 
 
 
 
2 a. Mary roller skates 28.6 km with a constant speed of 11 km/h and another 69.3 km with a constant speed of 18 km/h. How much time in total does she take to travel these distances?

 
 
 
 
 
 
 
 
 
3 a. A van moves 428.4 km with a constant speed of 68 km/h and another 401.8 km with a constant speed of 98 km/h. How much time in total does it take to travel these distances?

 
 
 
 
 
 
 
 
 
Page 2

Answer Key

1 a. He traveled a distance of 736 km.
2 a. She takes 6 hours and 27 minutes to travel the two distances.
3 a. It takes 10 hours and 24 minutes to travel the two distances.

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