If c is 14% of a and 40% of b, what percent of a is b?  Options:	A) 2.5 %	B) 15 %	C) 25 %	D) 35 %	E) 250 %

Rationale: "answer = d 14 a / 100 = 40 b / 100 b = 14 a / 40 = 35 a / 100 = 35 %"
Answer: D