Calculate the ratio between x and y if 25% of x equal to 40% of y? Pick one
A) 5 : 8
B) 5 : 9
C) 5 : 7
D) 5 : 6
E) 5 : 4

Rationale: "explanation : 25 x = 40 y x : y = 25 : 40 = 5 : 8 answer : a"
Answer: A