30 workers x 12 days = 360 worker days
It takes 360 worker-days to dig the well.
360 worker-days ÷ 3 days= 120
4 workers should be added to the team of 30 workers
The answer is 30 workers
(ノ^_^)ノ
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Answers & Comments
30 workers x 12 days = 360 worker days
It takes 360 worker-days to dig the well.
360 worker-days ÷ 3 days= 120
4 workers should be added to the team of 30 workers
The answer is 30 workers
(ノ^_^)ノ