If necessary, round your answers to 1 decimal digit.

1 a. Juan roller skates 22.8 km with a constant speed of 19 km/h and another 44 km with a constant speed of 19 km/h. How much time in total does he take to travel these distances?

 
 
 
 
 
 
 
 
 
2 a. A police car drives for 3.3 hours with a constant speed of 110 km/h and then for another 3 hours 58 minutes with a constant speed of 64 km/h. What distance did it go?

 
 
 
 
 
 
 
 
 
3 a. An airplane flies 3840 km with a constant speed of 960 km/h and another 782 km with a constant speed of 680 km/h. How much time in total does it take to travel these distances?

 
 
 
 
 
 
 
 
 
Page 2

Answer Key

1 a. He takes 3 hours and 31 minutes to travel the two distances.
2 a. It traveled a distance of 616.9 km.
3 a. It takes 5 hours and 9 minutes to travel the two distances.

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