SOLUTION: A plane ride to Johns house took 5 hours. On the return trip, a wind gust of 125 mi/he decreased the flying time by 1.25 hrs. What was the speed of the plane on the return trip?

Question 1096053: A plane ride to Johns house took 5 hours. On the return trip, a wind gust of 125 mi/he decreased the flying time by 1.25 hrs. What was the speed of the plane on the return trip?

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the one-way distance
Let = the speed to his house
---------------------------------------
For the trip to his house:
(1)
For return trip:
(2)
----------------------------------
(2)
(2)
and
(1)
Plug (1) into (2)
(2)
(2)
(2)
and

The speed on the return trip was 500 mi/hr
------------------------------------------
check:
(1)
(1) mi
and
(2)
(2)
(2) mi
OK
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