There is food for 760 men for 22 days. How many more men should join after two days so that the same food may last for 19 days more? Choose the most appropriate option.
A) 38 B) 40 C) 83 D) 87 E) 81
760 ---- 22   760 ---- 20   x ----- 19   x*19 = 760*20   x = 800   760   -------   40   Answer: 40
<result>B</result>
There is food for 760 men for 22 days. How many more men should join after two days so that the same food may last for 19 days more?