SOLUTION: Jim walks 5mph on a steady day. On a windy day Jim walks 10 miles with the wind, and 7 miles against the wind in the same amount of time. What is the rate of the wind?
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Question 188499: Jim walks 5mph on a steady day. On a windy day Jim walks 10 miles with the wind, and 7 miles against the wind in the same amount of time. What is the rate of the wind? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the rate of the wind
Let = Jim's rate of walking without wind
given: mi/hr
--------------------
(1)
and
(2)
Add (1) and (2)
(3)
(3)
and from (1)
(1)
(1)
(1)
(1) mi/hr
check:
(2)
(2)
(2)
(2)
OK
