10 is 6% of a, and 6 is 10% of b. c equals b/a. What is the value of c?
Choose the correct choice from the following:
A) 3 / 10	B) 6 / 17	C) 9 / 25	D) 10 / 33	E) 12 / 35

Rationale: "6 a / 100 = 10 a = 500 / 3 b / 10 = 6 b = 60 c = b / a = 60 * 3 / 500 = 9 / 25 the answer is c ."
Answer: C