Fractions/Ratios/Decimals, Statistics And Sets Problems

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A

B

C

D

E

Global Stats

In a group of \(60\) children, \(\dfrac{7}{12}\) are girls, \(\dfrac{2}{3}\) are right-handed, and \(\dfrac{2}{5}\) are right-handed girls. How many of the children are left-handed boys?

A. \(36\)
B. \(24\)
C. \(19\)
D. \(16\)
E. \(9\)

The OA is E

Source: Princeton Review