SOLUTION: 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 at 80 mph. Train A passes a station at 7:10 P.M. If tr

Algebra ->  Linear-equations -> SOLUTION: 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 at 80 mph. Train A passes a station at 7:10 P.M. If tr      Log On


   

Question 249642: 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 at 80 mph. Train A passes a station at 7:10 P.M. If train B passes the same station at 7:22 P.M, at what time will train B catch up to train A?
Im lost help pleeese?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D FOR TRAIN A=60T
D FOR TRAIN B=80(T-.2)
60T=80(T-.2)
60T=80T-16
60T-80T=-16
-20T=-16
T=-16/-20
T=4/5 OR .8 HOUR. OR 48 MINUTES FOR TRAIN B TO CATCH TRAIN A.
7:10+:48=7:58 IS THE TIME THEY WILL MEET.
PROOF:
60*.8=80(.8-.2)
48=80*.6
48=48