The table shows the distance covered in miles per minutes spent.
[tex]\begin{gathered} \frac{1}{4}hr=\frac{3}{4}\text{mile} \\ \text{Therefore, 1 hour would be} \\ \frac{1}{4}\times4(hr)=\frac{3}{4}\times4\text{mile} \\ 1hr=3\text{miles} \end{gathered}[/tex]
The empty boxes (in your question) are to be filled as follows;
[tex]\begin{gathered} \frac{3}{4}---3\text{ miles} \\ \frac{1}{4}---1\text{ hour} \end{gathered}[/tex]
