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An airplane flew with the wind for 2.5 hours and returned the same distance against the wind in 3.5 hours.

An airplane flew with the wind for 2.5 hours and returned the same distance against the wind in 3.5 hours. If the cruising speed of the plane was a constant 360 mph in air, how fast was the wind blowing? (Hint: If the wind speed is r miles per hour, then the plane travels at (360 + r) mph with the wind and at (360 - r)mph against the wind)

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This solution is comprised of a detailed explanation to answer how fast is the wind blowing.

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