SOLUTION: An airplane flies 738 miles against the wind & 1062 miles with the wind in a total time of 9 hours. The speed of the airplane in still air is 200 mi/h. What is the speed of the win
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Question 442820: An airplane flies 738 miles against the wind & 1062 miles with the wind in a total time of 9 hours. The speed of the airplane in still air is 200 mi/h. What is the speed of the wind?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
738/200-x+1062/200+x=9
738(200+x)+1062(200-x)=9(40000-x2)
147600+738x+212400-1062x=360000-9x2
9x2-324x=0
x2-36x=0
x2=36x
x=36
The wind speed is 36mph..
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