If c is 20% of a and 10% of b, what percent of a is b?
Choose the correct choice from the following answers
A) 2.5 %	B) 15 %	C) 25 %	D) 35 %	E) 200 %

Rationale: answer = e 20 a / 100 = 10 b / 100 b = 20 a / 10 = 200 a / 100 = 200 %
Answer: E