The food in a camp lasts for 35 men for 40 days. If ten more men join, how many days will the food last?	Choose the correct choice: A) 40 days B) 20 days C) 31 days D) 50 days E) 45 days
one man can consume the same food in 35*40= 
<gadget id="calculator">35*40</gadget>
<output>1_400</output>
1400 days.   10 more men join, the total number of men= 45   The number of days the food will last = 1400/45 = 31 days.   ANSWER:31 days
<result>C</result>
The food in a camp lasts for 35 men for 40 days. If ten more men join, how many days will the food last?