3 men and 4 women can dig a pond in 28 days, whereas 4 men and 6 women can dig it in 20 days. i) Find how many women equivalent to one man. ii)in how many days, 7 men and 6 women can complete the same work?
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3m + 4w = 1/28, 4m + 6w = 1/20 …..fraction of a pond per day
84m + 112w = 1/1 , 80m + 120w = 1/1….one whole pond per day
84m + 112w = 80m + 120w
4m = 8w
m = 2w
two women = one man <<<<<<<<<Answer
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