[tex]\begin{gathered} \text{Jen ran }\frac{3}{4}\text{ miles in 18 minutes }at\text{ 9am} \\ \text{That means she would run 1 mile in }\frac{18}{\frac{3}{4}}=\text{ 18}\times\frac{4}{3}=24\text{minutes} \end{gathered}[/tex][tex]\begin{gathered} \text{Jen ran 2}\frac{1}{4}\text{miles or }\frac{9}{4}miles\text{ in 27mins at 6pm} \\ \text{That means she ran 1 mile in }\frac{27}{\frac{9}{4}}=27\times\frac{4}{9}=12\text{minutes} \end{gathered}[/tex]
Therefore, the two events are not proportional because
At 9am, she would run 1 mile in 24minutes, Whereas
At 6 pm, she ran 1 mile in 12minutes.
