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25M + 45W =15 days Þ 5M + 9W = 75 days 15 M + 60W = 20 days Þ 1M + 4W ® 300 days 300(1M + 4W) = 75(5M + 9W) 4M + 16W = 5M + 9W 7W = M W /M=1/7 Total work = 300 × (7 + 4) = 3300 units Now- 69 man + 67 women = 3300 / (69 × 7 + 67) = 6 days
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