Fraction Maths Numbers Ratio and Proportion University Assistant 2016 If y-x/x = 3/8. Find y:x A - 11 : 8 B - 8 : 11 C - 8 : 5 D - 5 : 8 Answer : A Explanation x = 8, y-x = 3, so y = 11, y : x = 11 : 8. Show Answer