17 days
Explanation
to find the number of days, just divide the total dog food Max has, by the number of ounces his dog eats each day.
Let
total ounces=136
the number of ounces his dog eats each day
then
[tex]\begin{gathered} Number\text{ of days =}\frac{136\text{ ounces}}{8\frac{ounces}{\text{day}}} \\ \text{Number of days=17 days} \end{gathered}[/tex]so, the answer is 17 days
