If necessary, round your answers to 1 decimal digit.

1 a. An airplane flies for 4 hours 10 minutes with a constant speed of 792 km/h and then for another 1 hour 20 minutes with a constant speed of 840 km/h. What distance did it go?

 
 
 
 
 
 
 
 
 
2 a. A train travels for 2 hours 35 minutes with a constant speed of 96 km/h and then for another 1 hour 5 minutes with a constant speed of 60 km/h. What distance did it go?

 
 
 
 
 
 
 
 
 
3 a. Emily roller skates 17 miles with a constant speed of 12 mph and another 24 miles with a constant speed of 12 mph. How much time in total does she take to travel these distances?

 
 
 
 
 
 
 
 
 
Page 2

Answer Key

1 a. It traveled a distance of 4420 km.
2 a. It traveled a distance of 313 km.
3 a. She takes 3 hours and 25 minutes to travel the two distances.


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