SOLUTION: Two planes left an airport at noon. One flew east at a certain speed and the other flew west at twice the speed.The planes were 2700 mi apart in 3 h. How fast was each plane fly

Algebra ->  Equations -> SOLUTION: Two planes left an airport at noon. One flew east at a certain speed and the other flew west at twice the speed.The planes were 2700 mi apart in 3 h. How fast was each plane fly      Log On


   



Question 323033: Two planes left an airport at noon. One flew east at a certain speed and the
other flew west at twice the speed.The planes were 2700 mi apart in 3 h. How
fast was each plane flying?

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+2x=900
3x=900
x=300 mph
2x=600 mph