Maximize LaTeX:  \displaystyle p = 8 x + 14 y subject to LaTeX:  \displaystyle \begin{cases}97 x + 19 y \leq 1843 \\ 68 x + 85 y \leq 5780 \\ x \geq 0, y \geq 0 \end{cases}

Drawing a graph gives
Solving the system of equations gives the intersection at LaTeX:  \displaystyle \left( \frac{2755}{409}, \  \frac{25608}{409}\right) . Making a table gives to test the verticies in LaTeX:  \displaystyle p=8 x + 14 y gives

\begin{tabular}{|c|c|}\hline Point & Function \\[3pt] \hline LaTeX:  \displaystyle \left( 0, \  0\right) & LaTeX:  \displaystyle 0 \\[3pt] \hline LaTeX:  \displaystyle \left( 19, \  0\right) & LaTeX:  \displaystyle 152 \\[3pt] \hline LaTeX:  \displaystyle \left( \frac{2755}{409}, \  \frac{25608}{409}\right) & LaTeX:  \displaystyle \frac{380552}{409} \\[3pt] \hline LaTeX:  \displaystyle \left( 0, \  68\right) & LaTeX:  \displaystyle 952 \\[3pt] \hline \end{tabular}
The gives the maximum value of LaTeX:  \displaystyle 952 located at LaTeX:  \displaystyle \left( 0, \  68\right) .