Question

2 men and 5 women can do a piece of work in 4 days, while one man and one woman
can finish it in 12 days. How long would it take for 1 man to do the work?
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Answer 1

Answer:

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Step-by-step explanation:

let work done by man be M and work done by woman be N

2m+5n=1/4

8m+10n=1

10n=1-8m/10.........(i)

m+n=1/12

12m+12n=1.........(ii)

from (i)

12m+12n=1

12m+12(1-8m/10)=1

implifying you get  m=1/12

one man finish works in 12 days