10 is 6% of a, and 6 is 10% of b. c equals b/a. What is the value of c? Choices:  A) 3/10  B) 6/17  C) 9/25  D) 10/33  E) 12/35
6a/100 = 10   a = 500/3   b/10 = 6   b = 60   c = b/a = 60*3/ 500 = 9/25   The answer is 9/25.
<result>C</result>
10 is 6% of a, and 6 is 10% of b. c equals b/a. What is the value of c?