Problema Solution

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 milles per hour and Train B is traveling at 84 miles per hour. Train A passes a station at 12:15am if train B passes the same station at 12:45am, at what time will train B catch up to train A?

Answer provided by our tutors

                 The distance between two trains at 12:45 am = 80 * 30/60 = 40 miles.

                  Time require to catch up = 40/4 = 10 hours.

                   Time = 22:45 = 10:45 am