If $60$ workers can finish a job in $22$ days, how many workers will finish it in $33$ days?

If $60$ workers can finish a job in $22$ days, how many workers will finish it in $33$ days?
  1. $30$
  2. $36$
  3. $40$
  4. $44$

Solution

$60 \times 22 = w \times 33 \Rightarrow w = \dfrac{1320}{33} = 40$.

Asked in: IMO

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