If 9 workers can complete a project in 20 days, how many days would it take 4 workers, assuming equal work rates?
- A. 47
- B. 43
- C. 45 ✓
- D. 20
Correct answer
C. 45
Explanation
Total work = 9 workers × 20 days = 180 worker-days. With 4 workers: 180 ÷ 4 = 45 days.
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