Hers is another one: 3 people requires 3 weeks and 2 days to do a job. How long would it take for 4 people to do the same job? (Each week is 6 days)

Convert time to days only to avoid confusion.

Assuming the relation between people and time is linear, setup two fractions and set them equal to each other.

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asked by mike
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    posted by mynequa
  2. It is hard

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    posted by Prabin

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