6 men can complete the electric fitting in a building in 7 days. How many days will it take 21 men to do so?
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Answer:
2 days.
Step-by-Step Explanation:
→ 6 men can complete the electric fitting in a building in 7 days. So,
→ 21 men can do the job in days. So,
We get,
If the number of men will increase, So, the number of days for the job will decrease. Hence, here is inverse proportion.
Since in inversely proportional term, where x and y has two variations,
Where, k is a constant term.
Here,
x :-
y :-
Therefore,
Hence, 21 men can do that job in 2 days.
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