SOLUTION: A passenger train and a freight train start at the same time from stations that are 405 miles apart and travel toward each other. The speed of the passenger train is twice the spe

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Question 902838: A passenger train and a freight train start at the same time from stations that are 405 miles apart and travel toward each other. The speed of the passenger train is twice the speed of the freight train. In 3 hours, the trains pass each other. Find the speed of each train
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(2x+x)*t=405
3x*3=405
3x=135 mph
x=45 mph
2x=90 mph