SOLUTION: A train leaves and travels north at 85 km per hour. Another train leaves at the same time and travels S at 55 km per hour. How long will it take before they are 560 km apart?
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Question 704397: A train leaves and travels north at 85 km per hour. Another train leaves at the same time and travels S at 55 km per hour. How long will it take before they are 560 km apart? Found 2 solutions by Stitch, Alan3354:Answer by Stitch(470) (Show Source):
You can put this solution on YOUR website! The two distances are added together since they are the distance of each train to the starting point.
Combine like terms
Divide both sides by 140
In 4 hours the trains will be 560km apart.
You can put this solution on YOUR website! A train leaves and travels north at 85 km per hour. Another train leaves at the same time and travels S at 55 km per hour. How long will it take before they are 560 km apart?
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The speeds are added when going in opposite directions.
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d = r*t
t = d/r
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