An airplane is preparing to Anderson airport it is 39,900 feet above the ground and it is descending at a rate of 3100 hundred feet/min. at the same airport another plane is taking off and will ascend at the rate of 2600 ft./min. when will the two airplanes be at the same altitude and what altitude will it be

Respuesta :

Answer:

one plane will be at an altitude of 39900 and the other will be at 33464

Step-by-step explanation:

airplane 1 -

39,900 divided by 3100 = 12.87

airplane 2-

2600 x 12.87 = 33,464