If necessary, round your answers to 1 decimal digit.

1 a. Noah rides his bike for 3.4 hours with a constant speed of 12 km/h and then for another 4 hours 12 minutes with a constant speed of 11 km/h. What is his average speed for the total trip?

 
 
 
 
 
 
 
 
 
2 a. Sarah rides her horse 29 miles with a constant speed of 12 mph and another 16 miles with a constant speed of 12 mph. What is her average speed for the total trip?

 
 
 
 
 
 
 
 
 
3 a. Juan rides his motorcycle 245 miles with a constant speed of 84 mph and another 36 miles with a constant speed of 36 mph. What is his average speed for the total trip?

 
 
 
 
 
 
 
 
 
Page 2

Answer Key

1 a. His average speed is 11.4 km/h.
2 a. Her average speed is 12 mph.
3 a. His average speed is 71.7 mph.


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