Question 208562: If train A leaves the station going 60 miles per hour and train B leaves one hour later going 85 miles per hour, how long will it take train B to catch up with train A? Answer by checkley77(12569) (Show Source):
You can put this solution on YOUR website! D=RT
D=60T FOR TRAIN A.
D=85(T-1) FOR THRAIN B.
KNOWING THAT THE DISTANCES ARE THE SAME WE SET THE DISTANCE EQUATIONS EQUAL TO EACH OTHER.
T=3.4 HOURS AFTER TRAIN A LEAVES TRAIN B WILL CATCH UP TO IT.