12men can do a piece of work in 15 days . long will 10 men take to do the same work
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Answered by
3
Answer:
18 days
Step-by-step explanation:
It's in indirect proportion.
So, 12÷10 = x÷15
x = 18
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Answered by
0
Step-by-step explanation:
12/10 = 1.2
Therefore 12 men is 1.2 times as efficient as 10 men.
Thus divide 15 by 1.2.
15/1.2. = 12.5 Days
The reason we divide is:
Imagine that it is 2 times as efficient, then by logic it would take half the time, i.e. Divide by 2 = Multiply by 1/2
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