The running back for the Bulldogs football team carried the ball 5 times for a total loss
[tex]8\frac{3}{4}\text{ yards}[/tex]It should be noted that the total loss is always negative.
Now,
[tex]\begin{gathered} A\text{verage Change}=\frac{Total\text{ loss}}{Number\text{ of runs}} \\ =\frac{-8\frac{3}{4}}{5} \\ =-\frac{35}{4}\times\frac{1}{5} \\ =-\frac{7}{4} \\ =-1\frac{3}{4} \end{gathered}[/tex]So, the average change is
[tex]-1\frac{3}{4\text{ }}\text{ yards}[/tex]