SOLUTION: Two planes are 2400 mi apart and traveling toward each other. One plane is traveling 80 mph faster than the other plane. The planes pass each other in 2.5 h. Find the speed of each

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Question 907287: Two planes are 2400 mi apart and traveling toward each other. One plane is traveling 80 mph faster than the other plane. The planes pass each other in 2.5 h. Find the speed of each plane.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2.5(x+x+80)=2400
2.5*(2x+80)=2400
5x+200=2400
5x=2200
x=440 mph 1100 miles
x+80=520 mph 1300 miles