SOLUTION: Trains A and B are travelling in the same direction on parallels tracks. Train A is travelling at 80 mph and train B is travelling at 84 mph. Train A passes a station at 8:25 pm.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Trains A and B are travelling in the same direction on parallels tracks. Train A is travelling at 80 mph and train B is travelling at 84 mph. Train A passes a station at 8:25 pm.      Log On


   



Question 163130: Trains A and B are travelling in the same direction on parallels tracks. Train A is travelling at 80 mph and train B is travelling at 84 mph. Train A passes a station at 8:25 pm. If train B passes the same station at 8:55 pm, at what time will train B catch up to train A?

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
80t=84(t-.5)
80t=84t-42
80t-84t=-42
-4t=-42
t=-42/-4
t=10.5 hours after 8:25 the trains will meet. Or @ 6:55 am.