Civil Service Exam Reviewer · Ratio and Proportion · hard
8 workers can complete a job in 17 days. After working for 2 days, 3 workers leave. How many more days will the remaining workers need to finish the job?
- 15 days
- 25.2 days
- 24 days
- 26 days
Answer
C. 24 days
Solution
Total = 136 worker-days. Done in 2 days: 16. Remaining: 120. With 5 workers: 120 ÷ 5 = 24 days.
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