1000 men have provisions for 15 days. If 200 more men join them, for how many days will the provisions last now? Choose the correct choice from the following answers:  A) 12.6  B) 12.9  C) 12.5  D) 12.0  E) 12.1
1000*15 = 1200*x   x = 12.5   Answer: 12.5
<result>C</result>
1000 men have provisions for 15 days. If 200 more men join them, for how many days will the provisions last now?