SOLUTION: If a elevator is moving 2.5mph and it takes you 20 seconds to walk 50 ft to the end and back . How fast are you walking

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Question 913587: If a elevator is moving 2.5mph and it takes you 20 seconds to walk 50 ft to the end and back . How fast are you walking
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If a elevator is moving 2.5mph and it takes you 20 seconds to walk 50 ft to the end and back . How fast are you walking
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100 ft round trip/20
= 5 ft/sec wrt the "elevator"