Question 341591
when the collision occurs ; the train had been traveling for 8 hrs , and the express had been traveling for 6 hrs
___ when they collide , they have both traveled the same distance
___ (rate) * (time) = distance


let x="rate of train" , so x+20="rate of express"


8(x) = 6(x + 20)


8x = 6x + 120 ___ 2x = 120 ___ x = 60