Calculate the ratio between x and y if 90% of x equal to 60% of y?  Options
A) 1 : 2  B) 3 : 5  C) 3 : 2  D) 3 : 4  E) 5 : 2

Rationale: "explanation : 90 x = 60 y x : y = 90 : 60 = 3 : 2 answer : c"
Answer: C