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Mathematics, 11.01.2021 22:10 jenm345

An airplane is preparing to land at an airport. It is 42,700 feet above the ground and is descending at the rate of 3,400 feet per minute. At the same airport, another airplane is taking off and will ascend at the rate of 2,700 feet per minute. When will the two airplanes be at the same altitude and what will the altitude be?

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