If 25% of x is 30 less than 20% of 1000, then x is?
Pick one: A) 188 B) 216 C) 156 D) 680 E) 121

Rationale: "25 % of x = x / 4 ; 20 % of 1000 = 20 / 100 * 1000 = 200 given that , x / 4 = 200 - 30 = > x / 4 = 170 = > x = 680 . answer : d"
Answer: D