College Math

Im having a hard time trying to figure out how to do this problem:

A plane can fly 150 mph in calm air. Flying with the wind, the plane can fly 350 mi in the same amount of time it takes to fly 250 mi against the wind. Find the rate of the wind.

asked by Leah
  1. Let x = wind rate

    Speed = distance/time, therefore

    time = distance/speed

    350/(150+x) = 250/(150-x)

    Solve for x.

    posted by PsyDAG
  2. Thanks

    posted by Leah

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