Math

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A work crew of 3 people requires 3 weeks and 2 days to do a certain job. How long would it take a work crew of 4 people to do the same job if each person of both crews works at the same rate as each of the others? Note: each week contains six work days.

Please help!! Thanks

  • Math -

    3 people take 3 weeks and 2 says, or 20 days, to do the job
    so that is 60 workdays.

    then 4 people can do the same job in 60/4 or 15 days, which would be 2 weeks and 3 days.

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