SOLUTION: Two trains heading toward each other are 400 miles apart. One train travels 15 miles per hour faster than the other train. If they arrive at the same station in 5 hours, How fast i

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Question 1047518: Two trains heading toward each other are 400 miles apart. One train travels 15 miles per hour faster than the other train. If they arrive at the same station in 5 hours, How fast is each train traveling?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
                 HOW FAST     TIME        DISTANCE
TRAIN POS          r+15         5         (r+15)*(5)
TRIN NEG            r           5          (r)(5)
ALL TOTAL                                  400


5%28r%2B15%29%2B5r=400