smc

Let $m$ stand for the cost of a muffin, and let $b$ stand for the value of a banana. We we need to find $\frac{m}{b}$, the ratio of the price of the muffins to that of the bananas. We have $$2(4m+3b)=2m+16b$$ $$6m=10b$$ $$\frac{m}{b}=\boxed{\frac{5}{3}}$$