SOLUTION: The speed of an express train is x km per hour and the speed of the ordinary train is 40 km per hour less than that of the express train. If the ordinary train takes 2 hours longer

Algebra.Com
Question 1144566: The speed of an express train is x km per hour and the speed of the ordinary train is 40 km per hour less than that of the express train. If the ordinary train takes 2 hours longer that the express train to cover a distance of 480 km, find the speed of the express train.
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!
TRAIN            SPEED     TIME          DISTANCE

express           x         480/x           480

ordinary         x-40       480/(x-40)      480

diff                        2


.
.

.
.
RELATED QUESTIONS

The speed of an ordinary train is x km per hr and that of an express train is x+25 km... (answered by josmiceli)
an express train takes 1.5 hour less that a passenger train to travel 180 km distance.... (answered by TimothyLamb)
The speed of an ordinary train is x km/hr and that of an express train is x+25 km/hr. (i) (answered by TimothyLamb)
An express train takes 1.5 hour less than a passenger train for distance of 180 km. the... (answered by ewatrrr)
A train travels 120 km in the same time that a plane covers 336 km. If the speed of the... (answered by Earlsdon,drj)
an express train makes a run of 240 km at acertain speed. Another train whose speed is 12 (answered by josmiceli,ankor@dixie-net.com)
An express train takes 1 hour less than a passenger train to travel 132 km between two... (answered by robertb)
An express train makes a run of 240 km at a certain speed.Another train whose speed is 12 (answered by lwsshak3)
A train travelling at an average speed of 53 km per hour. At this rate of speed, the... (answered by Alan3354)