SOLUTION: Two trains leave the station at the same time going in opposite directions. One train is going 72 km/hr and the other is going 68 km/hr. After how long will the trains be 560 k

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Travel -> SOLUTION: Two trains leave the station at the same time going in opposite directions. One train is going 72 km/hr and the other is going 68 km/hr. After how long will the trains be 560 k      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 196292: Two trains leave the station at the same time going in opposite directions. One train is going 72 km/hr and the other is going 68 km/hr. After how long will
the trains be 560 km apart?
Answer by nerdybill(5411) About Me  (Show Source):
You can put this solution on YOUR website!
Two trains leave the station at the same time going in opposite directions. One train is going 72 km/hr and the other is going 68 km/hr. After how long will
the trains be 560 km apart?
.
Apply the distance formula: d = rt
.
Let x = time traveled in hours
then
72x + 68x = 560
140x = 560
x = 4 hours