Question

An airplane is preparing to land at an airport. It is 45,600 feet above the ground and is descending at the rate of 3,200 feet per minute. At the same​ airport, another airplane is taking off and will ascend at the rate of 2,500 feet per minute. When will the two airplanes be at the same altitude and what will that altitude​ be?

Answer 1

8 mins 20000feet

Explanation:

let mins be x

45600-3200x = 2500x

so 45600= 5700

x=8

2500*8 = 20000