Math, asked by vivekraj1913, 7 months ago

the ratio between the speed of two Trains is 7:8.if the second train run 400km in 4hours then the speed first train is....? plz solve it fast

Answers

Answered by mohanapriya1708

3

Answer:

Let the speed of two trains be 7x and 8x km/hr.

Then, 8x=( 400/4 )=100

⇒x=( 8/100 )=12.5

∴ Speed of first train = (7 x 12.5) km/hr = 87.5 km/hr.

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