If 3 people can do 3 times of a particular work in 3 days, then how many days would it take 9 people to do 9 times of that particular work?	Choose the correct choice from the following options: A) 1 B) 2 C) 3 D) 9 E) 12

Rationale: "3 people can do the work one time in one day . 1 person can do 1 / 3 of the work in one day . 9 people can do 9 / 3 of the work in one day . 9 people can do 9 times the work in 3 days . the answer is c ."
Answer: C