Incorrect. To convert miles to feet, you multiply by $\displaystyle\frac{{{5},{280}\ \text{ feet}}}{{{1}\ \text{ mile}}}\usepackage{cmbright}\Huge\$ . To convert inches to feet, you multiply by $\displaystyle\frac{{{1}\ \text{ foot}}}{{{12}\ \text{ inches}}}\usepackage{cmbright}\Huge\$ . You multiply by $\displaystyle\frac{{{3}\ \text{ feet}}}{{{1}\ \text{ yard}}}\usepackage{cmbright}\Huge\$ to convert yards to feet.