SOLUTION: a woman jogs for 3km at 9km/h and then walks for 3km at 6km/h. What is her average speed for the entire trip? Round your final answer to three significant figures.

Question 941726: a woman jogs for 3km at 9km/h and then walks for 3km at 6km/h. What is her average speed for the entire trip? Round your final answer to three significant figures.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
a woman jogs for 3km at 9km/h and then walks for 3km at 6km/h. What is her average speed for the entire trip? Round your final answer to three significant figures.
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Divide the total distance (6 km) by the total time.
Find the 2 times by using r = d/t --> t = d/r

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