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"In a class, the ratio of the number of\nboys and that of the girls is \\( 11: 9 . \\) If\n\\( 30 \\% \\) of the boys and \\( 20 \\% \\) of the girls\nare passed, find the percentage of\npassed students of the class.\n\\( \\begin{array} { l l } { \\text { (A) } 28.5 \\% } & { \\text { (B) } 25.5 \\% } \\\\ { \\text { (C) } 24.5 \\% } & { \\text { (D) } 23.5 \\% } \\\\ { \\text { (E) None of these } } \\end{array} \\)"

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