2 men and 3 women can do a piece of work in 10 days while 3 men and 2 women can do the same work in 8 days. Then , 2 men and 1 women can do the same work in

2 men and 3 women can do a piece of work in 10 days while 3 men and 2 women can do the same work in 8 days. Then , 2 men and 1 women can do the same work in
1). 12 days
2). $12\frac{1}{2}$ days
3). 13 days
4). $13\frac{1}{2}$ days

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