SOLUTION: A freight train and an express train leave towns 390km apart, traveling toward one another. The freight train travels 30km per hr slower than the express train. They pass one ano
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Question 360183: A freight train and an express train leave towns 390km apart, traveling toward one another. The freight train travels 30km per hr slower than the express train. They pass one another 3 hr later. What are their speeds?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
In order to travel 390 km in 3 hours, the combined speed of the two trains has to be 390 divided by 3 equals 130 kilometers per hour. So:
Solve for 
and then compute 
John
My calculator said it, I believe it, that settles it
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