Answer: A fraction of 2/9 of the entire group (math club) are boys with brown eyes.
Explanation:
The fraction of boys with respect to the entire math club is 1/2.
We are given that of the boys a fraction 4/9 have brown eyes.
With respect to the total group in the math club that means a proportion:
[tex]\frac{1}{2}\cdot \frac{4}{9}=\frac{4}{18}=\frac{2}{9}[/tex]
of boys with brown eyes.
