SOLUTION: An airplane travels 400 miles in 4 hours with the wind. The return trip against the wind takes 5 hours. What is the wind speed and the speed of the airplane in still air?
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Question 1142772:  An airplane travels 400 miles in 4 hours with the wind. The return trip against the wind takes 5 hours. What is the wind speed and the speed of the airplane in still air? 
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!
 
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