Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 mph and train B is traveling 80 mph. Train A passes a station at 2:15 am. If train B passes the same station at 2:30 am What time will train B catch up to train A.

Question

amistre64 · Answer

they are 15 minutes apart; what is the head start for train a then? 60(1/4)

amistre64 · Answer

when 60t + headstart = 80t is the time they are equal

amistre64 · Answer

headstart = t(80-60)

t = headstart/20 then

amistre64 · Answer

headstart = 15 miles

15/20 = hours

anonymous · Answer

SO how do I go about figuring out the exact time?

amistre64 · Answer

well, since train B takes 45 minutes to catch up to train A from the time it leaves the stateion at 2:30; id take a gander and say:  2:30 + :45

anonymous · Answer

ok that makes sense!

anonymous · Answer

Thank you!