SOLUTION: Train #1 leaves the station doing 60mph. 30 minutes later train #2 leaves the same station on a parallel track at 72mph. How long will it take train #2 to catch train #1?

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Question 381161: Train #1 leaves the station doing 60mph. 30 minutes later train #2 leaves the same station on a parallel track at 72mph. How long will it take train #2 to catch train #1?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
30 mile lead
12 mph overtake speed
30/12=2.5 hrs