900 men have provisions for 15 days. If 200 more men join them, for how many days will the provisions last now? Select.
A) 12.88  B) 12.6  C) 12.55  D) 12.21  E) 12.27
900*15 = 1100*x   x = 12.27.Answer: 12.27
<result>E</result>
900 men have provisions for 15 days. If 200 more men join them, for how many days will the provisions last now?