SOLUTION: A freight train and a passenger train leave a rail yard at the same time and travel on a parallel tracks. The passenger train travels 35 km per hour faster than the freight train.

Question 1081357: A freight train and a passenger train leave a rail yard at the same time and travel on a parallel tracks. The passenger train travels 35 km per hour faster than the freight train. The combined distance traveled after 3 hours is 705 km. What is the average speed of each train?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x, the speed of the freight train
x+35, speed of passenger train

Passenger train's speed is 135 km/hour
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