If x : y = 5 : 3, then 8x - 5y : 8x + 5y =?
If x : y = 5 : 3, then 8x - 5y : 8x + 5y =? Correct Answer 5 : 11
Here, x : y = 5 : 3 or, x/y = 5/3 or, 8x/5y = 40/15 or, (8x - 5y)/(8x + 5y) = (40 - 15)/(40 + 15) or, (8x - 5y) : (8x + 5y) = 25 : 55 = 5 : 11