electrofy456
electrofy456
23.02.2021 • 
Mathematics

An airplane is preparing to land an airport. It is 50,400 feet above the ground and descending at the rate of 3,500 feet per minute. At the same airport, another airplane is taking off and will ascending at the rate of 2,800 feet per minute. When will the two airplanes be at the same altitude and what will that altitude be?

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