Giải giúp mình với mn ----- Nội dung dịch tự động từ ảnh ----- Question 3. 15 people can complete a task in 4 hours. Assume everyone works at the same rate: 1. How long will it take 1 person to complete the same task? 4 A. hour B. 2 hours C. 30 hours D. 60 hours 15 2. How long will it take 30 people to complete the same task? A. 1 hour B. 8 hours C. 6 hours D. 2 hours 3. How long will it take 12 people to complete the same task? A. 3 hours B. 5 hours C. 9 hours D. 2 hours
