A six-passenger plane cruises at 180 mph in calm air. If the plane flies 7 miles with the wind in the same amount of time as it flies 5 miles against the wind, then what is the wind speed?© BrainMass Inc. brainmass.com March 4, 2021, 7:37 pm ad1c9bdddf
Solution. Assume that the wind speed is x. Then we can set up the following:
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