SOLUTION: A freight train leaves a station travelling a constant speed of 30 miles per hour (mph). A passenger train leaves at the same time and travels at a constant speed of 35 mph. In how

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Question 757037: A freight train leaves a station travelling a constant speed of 30 miles per hour (mph). A passenger train leaves at the same time and travels at a constant speed of 35 mph. In how many hours will the trains be 15 miles apart?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A freight train leaves a station travelling a constant speed of 30 miles per hour (mph). A passenger train leaves at the same time and travels at a constant speed of 35 mph. In how many hours will the trains be 15 miles apart?
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They separate at 5 mi/hr (35 - 30)
15/5 = 3 hours