SOLUTION: A cargo plane flew to the maintenance facility and back. It took one hour less time to get there than it did to get back. The average speed on the trip there was 220 m/h. The avera

Question 1050472: A cargo plane flew to the maintenance facility and back. It took one hour less time to get there than it did to get back. The average speed on the trip there was 220 m/h. The average speed on the way back was 200 m/h. How many hours did the trip there take?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A cargo plane flew to the maintenance facility and back.
It took one hour less time to get there than it did to get back.
The average speed on the trip there was 220 m/h. The average speed on the way back was 200 m/h. How many hours did the trip there take?
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To maint DATA:
time = t-1 ; rate = 220 mph ; dist = 220(t-1) miles
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From maint DATA:
time = t ; rate = 200 mph ; dist = 200t miles
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Equation:
dist to = dist from
220t - 220 = 200t
20t = 220
t = 11 hrs (time to maint)
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Cheers,
Stan H.
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