Q.It takes 6 people 18 days to decorate a town. How many days will 2 people take
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Total work = 6 * 18 man days
Therefore time taken by 2 men to complete the same work= T =108 man days / 2 man = 54 days
Chain rule can also be applied,
More men means less days , and less men means more days
Hence, Time taken by 6 men =T= (6/2)* 18 days = 54 days.
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Answer:
If a 6 people take 18 days to decorate town then,
2 people will be decorate the town in x days
6/18=2/x
6x=18x2
6x=36
x=36/6
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