SOLUTION: Trains A and B are traveling in the same direction on paralle tracks. Train A is traveling at 100 mph and train B is traveling at 120 mph. Train A passes the station at 9:20 P.M.
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Question 183569: Trains A and B are traveling in the same direction on paralle tracks. Train A is traveling at 100 mph and train B is traveling at 120 mph. Train A passes the station at 9:20 P.M. If train B passes the same station at 9:32 P.M., at what time will train B catch up to train A? __:___ P.M. or A.M. Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! D=RT
THE DISTANCES ARE THE SAME THUS:
100T=120(T-12/60)
100T=120T-120*.2
100T=120T-24
100T-120T=-24
-20T=-24
T=-24/-20
T=1.2 HOURS AFTER TRAIN A LEAVES THE STATION THEY WILL MEET.
PROOF:
100*1.2=120(1.2-.2)
120=120*1
120=120
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