Problema Solution

Suppose that the time it takes to do a job is inversely proportional to the number of workers. That is, the more workers on the job the less time required to complete the job. If it takes 3 workers 16 days to finish a job, how long will it take 8 workers?

Answer provided by our tutors

let 'x' represent the number of days that 8 workers need to finish the job


3*16 = 8*x


by solving we find:


x = 6 days


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8 workers will need 6 days to finish the job.