SOLUTION: Tommy likes to run up and down an "up" elevator. Going up he can cover 30 steps in 6 seconds. Going down it takes him 15 seconds to cover 30 steps.
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Question 964812: Tommy likes to run up and down an "up" elevator. Going up he can cover 30 steps in 6 seconds. Going down it takes him 15 seconds to cover 30 steps.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I don't know how you run up or down an elevator.
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You didn't ask any questions.
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