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In a class, 10% of the girls have blue eyes, and 20% of the

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In a class, 10% of the girls have blue eyes, and 20% of the [#permalink] New post 13 Apr 2019, 15:36
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In a class, 10% of the girls have blue eyes, and 20% of the boys have blue eyes. If the ratio of girls to boys in the class is 3 : 4, then what is the fraction of the students in the class having blue eyes?

(A) \(\frac{11}{70}\)

(B) \(\frac{11}{45}\)

(C) \(\frac{14}{45}\)

(D) \(\frac{12}{33}\)

(E) \(\frac{23}{49}\)
[Reveal] Spoiler: OA

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In a class, 10% of the girls have blue eyes, and 20% of the   [#permalink] 13 Apr 2019, 15:36
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