If y is 40% greater than x, than x is what % less than y?	Choices.
A) 24.4 %  B) 28.6 %  C) 32.3 %  D) 36.5 %  E) 40.9 %

Rationale: "y = 1.4 x x = y / 1.4 = 10 y / 14 = 5 y / 7 x is 2 / 7 less which is 28.6 % less than y . the answer is b ."
Answer: B