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a piece of work can be dome in 6 days by 6 men and 5 woman or 4men and 3 woman in10 days find how many days it will takefor 9 men and 15 women to finish the job.(A=3) please give a full answer with clear steps without by solvings |
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Answer» ANSWER: 126days Step-by-step explanation: 6m+5w=6 4m+3w=10 (multiply with 4 )24m+20w=24 -----a(ASSUME) (multiply with 6) 24m+18w=60------B(assume) =(a-b) 2w=-36 w=36/2 w=18 24m+20*18=24 24m-360=24 24m=384 m=384/24 m=16 9m+15w=? 9*16+15*18=z(assume) 144-270=126days
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