SOLUTION: Two trains leave the same station at the same time and travel in opposite directions. One train travels 80 kilometers per hour. The other at 100 kilometers per hour. In how many ho

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Question 336331: Two trains leave the same station at the same time and travel in opposite directions. One train travels 80 kilometers per hour. The other at 100 kilometers per hour. In how many hours would they be 900 kilometers apart?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
D=80T
D=100T
900=80T+100T
900=180T
T=900/180
T=5 HOURS ANS.