There is enough provisions for 9600 women in an army camp for 400 days. If there were 4800 men less, how long will the provision last?	Choose one
A) 799	B) 800	C) 801	D) 802	E) 803

Rationale: we have , m 1 d 1 = m 2 d 2 9600 * 400 = 4800 * d 2 d 2 = 9600 * 400 / 4800 = 800 days . answer : b
Answer: B