SOLUTION: Two airplanes depart from an airport traveling opposite directions. The second airplane is 200 miles per hour faster than the first. After 2 hours they are 1100 miles apart. Find t
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Question 100645: Two airplanes depart from an airport traveling opposite directions. The second airplane is 200 miles per hour faster than the first. After 2 hours they are 1100 miles apart. Find the speeds of the airplanes. Answer by checkley71(8403) (Show Source):
You can put this solution on YOUR website! 2X+2(X+200)=1100
2X+2X+400=1100
4X=1100-400
4X=700
X=700/4
X=175 MPH. FOR THE SLOWER PLANE.
175+200=375 MPH FOR THE FASTER PLANE.
PROOF
2(175+375)=1100
2*550=1100
1100=1100
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