SOLUTION: An airplane flying against the wind travels 300 miles in the same time that it can travel 330 miles with the wind. If the wind speed is 10 mph, what is the speed of the airplane in
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Question 583662: An airplane flying against the wind travels 300 miles in the same time that it can travel 330 miles with the wind. If the wind speed is 10 mph, what is the speed of the airplane in still air?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
r*t=d
(r-10)*t=300
t=300/(r-10)
(r+10)*t=330
t=330/(r+10)
300/(r-10)=330/(r+10)
r=210
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