As per given by the question,
There are given that the price of unleaded gas was $2.84yesterday and today price is $2.89.
Now,
The yesterday price is $2.84, and today price is $2.89.
So,
The increases price is,
![2.89-2.84=0.05](https://img.qammunity.org/2023/formulas/mathematics/college/9iwuyu9fouaon3xi10ih8puqiqmoshq2px.png)
Then,
The percentage of the increases price is;
![\begin{gathered} (2.89-2.84)/(2.84)*100 \\ \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/2ylb9zqk5r7j7oz7t0gbfd1oz3nwsh3wl6.png)
Then,
![\begin{gathered} (2.89-2.84)/(2.84)*100=(0.05)/(2.84)*100 \\ =1.76 \\ \approx1.8 \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/x0dd0jrs1j0g1wgl9nh4sp7j2x9yx3d7mu.png)
Hence, the percentage increases price is 1.8%