SOLUTION: Two trains are parralle on a track. Train A is going at a speed of 100 mph while train b is going at a speed of 110 mph. Train A passes the station at 6:10am and train b passes the

Question 421784: Two trains are parralle on a track. Train A is going at a speed of 100 mph while train b is going at a speed of 110 mph. Train A passes the station at 6:10am and train b passes the same station at 6:22am. What time will train b catch up with train a?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Train A speed 100 mph
Train B speed 110 mph

Train A passes station at 06:10
Train B passes station at 06:22

Difference in time= 00:12
Train A will have covered 20 miles before Train B starts

catch up distance= 20 miles
catch up speed = 110-100 mph
catch up speed = 10 mph

Catchup time = catchup distance/catch up speed
catch up time= 20/10
catch up time= 2 hours
catch up time= 8:22 am

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