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Algebra Difficulty 1.0 Junior Find the answer United Kingdom

One sixth of an audience in a children's theatre are adults. Two fifths of the children are boys. What fraction of the audience are girls?

(A) $\frac{1}{2}$ (B) $\frac{1}{3}$ (C) $\frac{1}{4}$ (D) $\frac{1}{5}$ (E) $\frac{2}{5}$

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