13. 250 heads of people can dig a pond of size 50 meters long, 35 metres wide and
5.2 metres deep in 18 days by working 10 hours daily. Let's work out using the
method of the Rule of Three how many days it will take for 300 people to dig a
pond of size 65 metres long, 40 metres wide and 5.6 metres deep by working &
hours daily.
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A VERY LONG DISTANCE. IDK
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