five workers take 12 days to weed a field how many days would a worker take ? how many would 15 take ?
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Answer:
4 days
Step-by-step explanation:
Here MDH/W = CONSTANT
so we can write,H= hours,W= work, both are same ,those are canceled
M1 × D1= M2×D2 ,
M1= 5men,D1= 12days, M2= 15 men, D2=?
take values
5×12=15×D2
D2=5×12/15= 60/15=4 days
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