SOLUTION: Chiara walks down to the bottom of the Grand Canyon at 4mph. She walks up at 2mph. What is her average rate of travel?

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Question 947176: Chiara walks down to the bottom of the Grand Canyon at 4mph. She walks up at 2mph. What is her average rate of travel?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Chiara walks down to the bottom of the Grand Canyon at 4mph. She walks up at 2mph. What is her average rate of travel?
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RT avg = 2*4*2/(4+2) = 16/6
= 8/3 mi/hr

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