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Writing Equations from Word Problems - Airplane

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?

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Solution. Assume that the wind speed is x. Then we can set up the following:

7/[180+x]=5/[180-x] ...

Solution Summary

In about 75 words, this response illustrates how to solve the given word problem. The solution is brief, but concise, providing all the required calculations.