[tex]\begin{gathered} IN\text{ }\frac{3}{4}\text{ OF SQUARE FEET IN }\frac{1}{6}\text{ hours, WE HAVE THE RATE} \\ \frac{\frac{3}{4}}{\frac{1}{6}}=\frac{3\cdot6}{4\cdot1}=\frac{18}{4}=\frac{9}{2} \\ By\text{ converting to mixed number, one has} \\ \frac{9}{2}\Rightarrow4\frac{1}{2} \end{gathered}[/tex]
