Engineering Board Exam Reviewer · Work Problems · medium

24 workers can finish a road project in 20 days. After 5 days, 6 workers leave the job. In how many more days will the remaining workers finish it?

  1. 20 days
  2. 15 days
  3. 25 days
  4. 30 days

Answer

A. 20 days

Solution

Total work =24(20)=480 worker-days. After 5 days, 24(5)=120 are done, leaving 360. With 24-6=18 workers: 360/18=20 more days.

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