SOLUTION: Two trains leave chicago, one headed due east at 60 mph and one headed due west at 50 mph. How long before they will be 990 miles apart?

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Question 628085: Two trains leave chicago, one headed due east at 60 mph and one headed due west at 50 mph. How long before they will be 990 miles apart?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Since they are traveling in opposite directions, add their speeds. Then divide distance by total speed to get time.

John

My calculator said it, I believe it, that settles it
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