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 st

Algebra ->  Functions -> 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 st      Log On


   

Question 291039: 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 8:25AM. If train B passes the same station at 8:40AM at what time will train B catch up to train A? _____:______


Answer by Greenfinch(383) About Me  (Show Source):
You can put this solution on YOUR website!
At 8:40, train A is 15 miles down the track. the difference is speeds of the two trains is 20 miles/hour, so the question reduces to how long will it take train B, at 20 miles /hour to cover 15 miles? Answer 45 minutes.
so they pass at 9:25 am