SOLUTION: On a hike up hill, Ted climbs at 3 miles an hour. Going back down, he runs at 5 miles an hour. If it takes him forty minutes longer to climb up than run down, then what is the leng
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Question 1093864
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On a hike up hill, Ted climbs at 3 miles an hour. Going back down, he runs at 5 miles an hour. If it takes him forty minutes longer to climb up than run down, then what is the length of the hike?
Answer by
josgarithmetic(39620)
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SPEED TIME DISTANCE UP 3 d/3 d DOWN 5 d/5 d DIFFERENCE
Travel Rates Rule, RT=D; for RATE, TIME, DISTANCE
Forty minutes longer is
of an hour longer. This is the DIFFERENCE between the two time quantities.
------solve for d.
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