If 25% of x is 15 less than 12% of 1500, then x is?	Pick:
A) 660
B) 738
C) 837
D) 840
E) 83

Rationale: "25 % of x = x / 4 ; 12 % of 1500 = 12 / 100 * 1500 = 180 given that , x / 4 = 180 - 15 = > x / 4 = 165 = > x = 660 . answer : a"
Answer: A