SOLUTION: Two trains leave Chicago, one traveling east @ 30 mph and one traveling west @ 40 mph. When will the trains be 210 miles apart? Answer 3 hrs., but how do you set up the problem?
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Question 229673: Two trains leave Chicago, one traveling east @ 30 mph and one traveling west @ 40 mph. When will the trains be 210 miles apart? Answer 3 hrs., but how do you set up the problem?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
moving away from each other at 70 mph
210/70=3 hrs
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