SOLUTION: two trains leave simultancouly traveling on the same track in opposite directions at speeds of 50 and 64 mph. How long will it take before they are 285miles apart

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Question 524719: two trains leave simultancouly traveling on the same track in opposite directions at speeds of 50 and 64 mph. How long will it take before they are 285miles apart
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Think of this as one train standing still and the
other moving at the sum of their speeds
Let t = time for them to get +285+ mi apart
+285+=+%28+50+%2B+64+%29%2At+
+t+=+285%2F114+
+t+=+2.5+
It will take them 2.5 hrs