SOLUTION: Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 miles per hour and train B is traveling at 80 miles per hour. Train a passes a stat

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Question 585203: Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 miles per hour and train B is traveling at 80 miles per hour. Train a passes a station at 7:15 P.M. If train B passes the same station at 7:30 P.M. at what time will train B catch up to train A?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Train A 60 mph
Train B 80 mph
Train A 07:15
Train B 07:30
Difference in time= 15 minutes => 0.25 hours
Train A will have covered 15 miles before Train B starts (0.25*60)
catch up distance= 15 miles
catch up speed = 80 -60 mph
catch up speed = 20 mph
Catchup time = catchup distance/catch up speed
catch up time= 15 / 20
catch up time= 0.75 hours
They will meet at 08:45 pm