1000 men have provisions for 17 days. If 500 more men join them, for how many days will the provisions last now?	Choose the correct choice from the following answers:  A) 12.9  B) 12.5  C) 11.3  D) 12.2  E) 12.1

Rationale: "1000 * 17 = 1500 * x x = 11.3 answer : c"
Answer: C