A and B together can complete a work in 12 days. B and C together can complete the same work in 8 days and A and C together can complete it in 16 days. In total, how many days do A, B and C together take to complete the same work ?
\({ \text{3}}\frac{5}{{12}}\)
\({ \text{3}}\frac{9}{{13}}\)
\({ \text{7}}\frac{5}{{12}}\)
\({ \text{7}}\frac{5}{{13}}\)
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2
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3
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4
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8
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9
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10
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