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

Algebra ->  Customizable Word Problem Solvers  -> Travel -> 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      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

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(52818) About Me  (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.