Question

a gas pipie is 7km long. A valve is positioned in such a way that is divides the length of the pipe is in the ratio 4:3. Calculate the distance of the valve from each end of the pipe

Answer 1

let 4:3 be 4x and 3x then
4x+3x = 7
7x=7
x=1
4x=4*1=4km
3x=3*1=3km

Answer 2

2+3=5

ans---- 2/5

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