Answer:
The unit rate is;
[tex]50\text{ mph}[/tex]Explanation:
Given that you travel 125 miles in 2 1/2 hours;
The rate is the number of miles traveled per hour;
[tex]r=\frac{\text{distance}}{\text{time}}[/tex]Substituting the given values;
[tex]\begin{gathered} r=\frac{125}{2.5} \\ r=50\text{ miles per hour} \end{gathered}[/tex]Therefore, the unit rate is;
[tex]50\text{ mph}[/tex]