Question

If x:y = 2:5, find the value of (-x+3y):(2x+y)

Answer 1

let x=2t and y=5t

-x+3y = -2t+15t = 13t

2x+y = 4t+5t = 9t

So the ratio is 13t : 9t

So, the ratio is 13 : 9