A garrison has sufficient food for 500 people to survive for 6 days. At the end of 2 days, 100 men desert. How long the provisions are sufficient for now?
Q1. A garrison has sufficient food for 500 people to survive for 6 days. At the end of 2 days, 100 men desert. How long the provisions are sufficient for now?
Answer: 5 days
Explanation: Food remaining after 2 days = 500×4 = 2000 person-days. With 400 men left, it lasts 2000/400 = 5 more days.