At a monthly meeting, $$\frac2 5$$ of the attendees were males and $$\frac7 8$$ of the male attendees arrived on time. If $$\frac9 {10}$$ of the female attendees arrived on time, what fraction of the attendees at the monthly meeting did not arrive on time?
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A$$\frac{11}{100}$$
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B$$\frac{3}{25}$$
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C$$\frac{7}{50}$$
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D$$\frac{3}{20}$$
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E$$\frac{4}{25}$$
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正确答案: A