If y is 75% greater than x, than x is what % less than y?  Pick.
A) 30.6 % B) 34.4 % C) 38.7 % D) 42.9 % E) 46.5 %

Rationale: "y = 1.75 x x = y / 1.75 = 100 y / 175 = 4 y / 7 x is 3 / 7 less which is about 42.9 % less than y . the answer is d ."
Answer: D