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story problems

Posted by bill on September 4th, 2000 06:28 PM
In reply to mathmatical formula by bob on February 10th, 1998 09:30 PM [Go to top of thread]

A plane travels 8400 km against the wind in 7 hours. With the wind the plane makes the return trip in 6 hours. find the speed of the plane in still air and the speed of the wind.

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