Problema Solution
train A and B are traveling in the same direction on parallet tracks. Train A is travel at 100 mph and Train B is traveling at 120 mph. train A passes a station at 5:20pm. If train B passes the same station at 5:32pm at what time will train B catch up to train A?
Answer provided by our tutors
5:32pm - 5:20pm = 12 min
100*12/60 = 20 miles
Time after 5:20pm is x hr
120x - 100x = 20
x = 1
So time catch up is 6:20pm