Problema Solution

train a and b are traveling in the same direction on parallel tracks.Train A is traveling at 100mph and train B at 120mph. Train A reaches a station at 1;10pm and train b reaches the same station at 1:25pm. When will train B catch up to train A?

Answer provided by our tutors

15 min = 0.25 hr

The time is x since 1:25pm

120x-100x = 100*0.25

x = 1.25

1:25pm+ 1.25 hrs= 2:40pm

So a will catch up at 2:40pm