SOLUTION: an airplane flew for 3 hours with a tailwind of 18 kilometers per hour. The return flight against the win took 4 hours. Find the rate of the plane in still air.
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Question 401470: an airplane flew for 3 hours with a tailwind of 18 kilometers per hour. The return flight against the win took 4 hours. Find the rate of the plane in still air.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
r * t = d ___ the distances are equal
3(p + 18) = 4(p - 18)
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