SOLUTION: Sinem and Ekin leave the same point driving in opposite direction. Ekin's rate 12km/h more than Sinem's rate. After three hours they are 360km apart. Find the rate of each.

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Sinem and Ekin leave the same point driving in opposite direction. Ekin's rate 12km/h more than Sinem's rate. After three hours they are 360km apart. Find the rate of each.      Log On


   



Question 316289: Sinem and Ekin leave the same point driving in opposite direction. Ekin's rate 12km/h more than Sinem's rate. After three hours they are 360km apart. Find the rate of each.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
360=(X+X+12)3
360=(2X-12)3
360=6X-36
6X=360+36
6X=324
X=324/6
X=54 km/h is Sinem's rate
54+12=66km/h is Ekin's rate.
Proof:
360=(54+66)3
360=120*3
360=360