Answer :
same as before
[tex]\bf \cfrac{\stackrel{\textit{whole grain}}{\textit{muffins}}}{\stackrel{\textit{mixed berry}}{\textit{muffins}}}\qquad \qquad \cfrac{~~\frac{3}{4}~~}{6}\implies \cfrac{~~\frac{3}{4}~~}{\frac{6}{1}}\implies \cfrac{3}{4}\cdot \cfrac{1}{6}\implies \cfrac{3}{6}\cdot \cfrac{1}{4}\implies \cfrac{1}{2}\cdot \cfrac{1}{4}\implies \cfrac{1}{8}[/tex]