The food in a camp lasts for 36 men for 45 days. If twelve more men join, how many days will the food last?	Choose the correct choice from the following answers.
A) 80 days B) 30 days C) 65 days D) 34 days E) 15 days
one man can consume the same food in 36*45= 
<gadget id="calculator">36*45</gadget>
<output>1_620</output>
1620 days.   12 more men join, the total number of men= 48   The number of days the food will last = 1620/48   = 34 days.   Answer:34 days
<result>D</result>
The food in a camp lasts for 36 men for 45 days. If twelve more men join, how many days will the food last?