SOLUTION: a train leaves a station and travels 80 km/hr.Two hours later,a second train leaves on a parallel train track and travels at 110km/hr in the same direction. how far from the statio

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: a train leaves a station and travels 80 km/hr.Two hours later,a second train leaves on a parallel train track and travels at 110km/hr in the same direction. how far from the statio      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 463600: a train leaves a station and travels 80 km/hr.Two hours later,a second train leaves on a parallel train track and travels at 110km/hr in the same direction. how far from the station will they meet?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
SINCE THE DISTANCES ARE EQUAL THEN:
D=85T
D=110(T-2)
85T=110(T-2)
85T=110T-220
85T-110T=-220
-25T=-220
T=-220/-25
8.8 HOURS. ANS.
PROOF:
85*8.8=110(8.8-2)
748=110*6.8
748=748