ANSWER
[tex]\frac{5}{6}[/tex]EXPLANATION
We want to find the total amount of chocolates that was eaten by Margie and her dad.
To do this, we have to find the sum of the amount she ate and the amount her dad ate.
That is:
[tex]\begin{gathered} \frac{1}{2}+\frac{2}{6} \\ \frac{(3\cdot1)+(1\cdot2)}{6} \\ \frac{3+2}{6} \\ =\frac{5}{6} \end{gathered}[/tex]That is the answer.