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 flyin

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Question 94091This question is from textbook algebra 2
: 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? This question is from textbook algebra 2

Answer by checkley75(3666)   (Show Source): You can put this solution on YOUR website!
3X+3X*2=2700
3X+6X=2700
9X=2700
X=2700/9
X=300 MPH FOR THE SLOWER PLANE
2X=600 FOR THE FASTER PLANE
PROOF
3*300+6*300=2700
900+1800=2700
2700=2700

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