Mathematics, 25.01.2021 16:10 glori1647
A plane can fly 540 miles with the wind in hour less than it can fly 480 miles against the wind. The average wind speed is 30 mph. Find the speed of the plain in still air.
Answers: 2
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A plane can fly 540 miles with the wind in hour less than it can fly 480 miles against the wind. The...
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