Mathematics, 28.01.2021 21:40 jazz9876
If a plane can travel 490 miles per hour with the wind and 430 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind. The speed of the plane in still air is miles per hour. The speed of the wind is miles per hour.
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If a plane can travel 490 miles per hour with the wind and 430 miles per hour against the wind, find...
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