SOLUTION: An air traffic controller is tracking two planes. To start, Plane A is at an altitude of 3015 feet and Plane B is just taking off. Plane A is gaining altitude at 25.5 feet per seco

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Question 1170998: An air traffic controller is tracking two planes. To start, Plane A is at an altitude of 3015 feet and Plane B is just taking off. Plane A is gaining altitude at 25.5 feet per second and Plane B is gaining altitude at 75.75 feet per second.
How many seconds will pass before the planes are at the same altitude?

What will their altitude be when they're at the same altitude?
Answer by ikleyn(52832)   (Show Source): You can put this solution on YOUR website!
.


    3015 + 25.5*s = 75.75*s,


where "s" denotes seconds.


You do the rest.



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