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15 workers can finish a job in 100 days. The job needs to be finished in 60 days. How many workers are needed for the job to be finished in 60 days. Answer using rational equation

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Answer:

Fifteen workers finish a project in 60 days. It means the project requires 15*60 = 900 man-days. If the project is to be completed in 36 days it will need 900 workers -days/36 days = 25 workers.

But make sure that there ample space to move about for 25 workers. If there is not much space available they can do the work in 2 shifts and complete the project in time.

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