Question

The speed of two trains differ by 15km/hour. The slower train covers in four hours while the faster one
covers the same distance in three hours. Find the speed of each train.

Answer 1

let the distance covered be x km
speed of slower train =x/4

speed of faster train=x/3

thus...
x/4 + 15/1 = x/3

15 = x/3 - x/4

15 = x/12

15×12=x

180km =x

speed=>

slower train=180/4=45km/hour

faster train = 180/3 =60km /hour

... hope it helps

Answer 2

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