SOLUTION: Two cars start at the same point and ride in opposite directions.One car rides twice as fast as the other.In four hours they are 480 miles apart.What is the rate of each car?

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Question 804538: Two cars start at the same point and ride in opposite directions.One car rides twice as fast as the other.In four hours they are 480 miles apart.What is the rate of each car?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+2x=480/4
3x=480/4
3x=120
x=120/3
x=40 mph
2x=80 mph