Question

ratio between the speed of two train is 7:8.if second trains runs 440km in 4 hours then spwed of first train

Answer 1

Ratio of Train 1 : Train 2 = 7 : 8 (Given)

Find the speed of the second train:

Speed + Distance ÷ Time

Speed = 440 ÷ 4 = 110 km/h

Find the speed of the first train:

Ratio of Train 1 : Train 2 = 7 : 8

Let x be the constant ratio:

Ratio of Train 1 : Train 2 = 7x : 8x

Solve x:

8x = 110

x = 110 ÷ 8 = 13.75

7x = 13.75 x 7 = 96.25 km/h

Answer: The speed of the first train is 96.25 km/h