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 4 days more? Choices:
A) 3022
B) 3040
C) 3099
D) 3088
E) 3066

Rationale: "760 - - - - 22 760 - - - - 20 x - - - - - 4 x * 4 = 760 * 20 x = 3800 760 - - - - - - - 3040 answer : b"
Answer: B