Question

To travel 600 km, train x takes 8 hour more than train y. If however, the speed of train x is doubled, it takes 2 hour less than train y. The speed of train y is

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

Train x has x kmph speed and y has ykmph

600/x-600/y=8

Now train has 2x speed and y has same speed

600/y-600/2x=2

Solve this two equation and we got y=50 kmph