SOLUTION: A passenger train's speed is 60 mi/h, and a freight train's speed is 40 mi/h. The passenger train travels the same distance in 1.5 h less time than the freight train. How long does

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A passenger train's speed is 60 mi/h, and a freight train's speed is 40 mi/h. The passenger train travels the same distance in 1.5 h less time than the freight train. How long does      Log On


   

Question 812668: A passenger train's speed is 60 mi/h, and a freight train's speed is 40 mi/h. The passenger train travels the same distance in 1.5 h less time than the freight train. How long does each train take to make the trip?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Time freight train - time passenger train = 1.5
let distance =x
time freight train = x/40
time passenger train = x/60
x/40-x/60 =1.5
multiply by the LCD 120
3x-2x=1.5*120
x=180 miles distance
time taken = 180/60 = 3hours passenger train
180/40 =4.5 hours - freight train