$\displaystyle\frac{{{5}\ \text{ pounds}}}{{1}}\cdot\frac{{{16}\ \text{ ounces}}}{{{1}\ \text{ pound}}}={80}\ \text{ ounces}\usepackage{cmbright}\Huge\$ . Calculate the cost:

$\displaystyle\text{\$}{0.44}+\text{\$}{0.20}{\left({79}\right)}=\text{\$}{16.24}\usepackage{cmbright}\Huge\$ .