What is 3/5 of 5/7 of 2/3?
Choose the correct choice from the following answers.
A) 2 / 7 B) 3 / 8 C) 9 / 16 D) 5 / 8 E) 16 / 9

Rationale: "3 / 5 * 5 / 7 * 2 / 3 = 2 / 7 answer : a"
Answer: A