SOLUTION: A woman jogs for 3 km at 9 km/h and then walks for 2 km at 6 km/h. What is her average speed for the entire trip?

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Question 901589: A woman jogs for 3 km at 9 km/h and then walks for 2 km at 6 km/h. What is her average speed for the entire trip?
Answer by solver91311(24713) About Me  (Show Source):
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3 km at 9 km/hr takes 20 minutes, or 1/3 hour. 2 km at 6 km/hr also takes 1/3 hour. She traveled a total of 5 km in 2/3 hour. Divide 5 by 2/3.

John

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