Mathematics
Mathematics, 13.03.2022 03:40, alwaysneedhelp84

A plan flies 495 miles with the wind and 440 miles against the wind in the same length of time. If the speed of the wind is 10 mph, find the speed of the plain in still air

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A plan flies 495 miles with the wind and 440 miles against the wind in the same length of time. If t...

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