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If it takes 6 people 6 days to do a job. How many days would it take 2 people working at the same rate to do the job?
  1. 6
  2. 12
  3. 16
  4. 18
Explanation

If it takes 6 people 6 days to do a job, the total amount of work can be considered as 6 people × 6 days = 36 person-days.

For 2 people to do the same amount of work:

Number of days = 36 person-days / 2 people = 18

So, it would take 2 people 18 days to do the job.

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