4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
Answer Posted / jegathish
Answer : 40 days
4m+6w=1/8.........(1)
3m+7w=1/10.......(2)
so the qus is,,,0m+10w=?
(1) x 3 --> 12m+18w=3/8 ........(3)
(2) x 4 --> 12m+28w=4/10 .......(4)
by solving equ (3) and (4), we get
10w=2/80 .............
so, 10w=1/40 which means 40 days
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