SOLUTION: trains a and b are traveling in the same direction on parallel tracks. train a is traveling at 40mph and train b is traveling AT 48mph. train a passes a station at 3:20am, train b

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Question 246090: trains a and b are traveling in the same direction on parallel tracks. train a is traveling at 40mph and train b is traveling AT 48mph. train a passes a station at 3:20am, train b passes the same station at 3:35am, 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!
d=rt
40t=48(t-.25)
40t=48t-12
40t-48t=-12
8t=12
t=12/8
t=1.5 hours after 3:20 the trains will meet.
3:20+1:30=4:50 is the hour of the meeting.