SOLUTION: two cars start at the same place and time, and travel in opposite directions. One car is traveling 15kph faster than the other. After 5 hours, the two cars are 275 km apart. Find t

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: two cars start at the same place and time, and travel in opposite directions. One car is traveling 15kph faster than the other. After 5 hours, the two cars are 275 km apart. Find t      Log On


   

Question 270961: two cars start at the same place and time, and travel in opposite directions. One car is traveling 15kph faster than the other. After 5 hours, the two cars are 275 km apart. Find the speed of each car.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+x+15=275/5
2x+15=55
2x=40
x=20 mph
x+15=35 mph