A class consists of $12$ girls and $20$ boys. One-quarter of the girls in the class have blue eyes. If a child is

A class consists of $12$ girls and $20$ boys. One-quarter of the girls in the class have blue eyes. If a child is selected at random from the class, what is the probability that the child is a girl who does not have blue eyes?

(A) $\dfrac3{32}$

(B) $\dfrac9{32}$

(C) $\dfrac38$

(D) $\dfrac{23}{32}$

(E) $\dfrac{29}{32}$

Answer: B

Source: Manhattan GMAT

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