SOLUTION: A plane flew for 4 hours against a 10 mph wind. It then flew for 3 hours with the same wind. In all the plane flew 3560 miles. Find the rate of the plane in still air.
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Question 1146441: A plane flew for 4 hours against a 10 mph wind. It then flew for 3 hours with the same wind. In all the plane flew 3560 miles. Find the rate of the plane in still air. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! A plane flew for 4 hours against a 10 mph wind. It then flew for 3 hours with the same wind. In all the plane flew 3560 miles. Find the rate of the plane in still air.
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It's called airspeed.
a = the plane's airspeed
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(a-10)*4 + (a+10)*3 = 3560
Solve for a
