World Languages, asked by dainvincible1, 1 year ago

The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the first train is

Answers

Answered by Anonymous

the second train runs 400 km in 4 hours, then the speed of the first train is 87.5 km/hr
8X=400/4
=>X=12.5Km/hr

So speed of first train is 12.5*7 = 87.5 km/hr

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