Question 750396
A research group of scientists, consisting of 10 men, in Antarctica,
 has food to last them 6.5 months more, when 2 men from another base join them.
 How long will the food last now?
:
Right now they have 10*6.5 = 65 man-months of food
:
Add two men
{{{65/12}}} = 5.4 months of food left with 12 men eating