Question
Solve the following linear programming problem graphically.
$
\begin{array}{cl}
\operatorname{maximize} & z=20 x+30 y \\
\text { constraints } & x+2 y \leq 20 \\
& 3 x+2 y \leq 30 \\
& x \geq 0, y \geq 0
\end{array}
$
$
\begin{array}{cl}
\operatorname{maximize} & z=20 x+30 y \\
\text { constraints } & x+2 y \leq 20 \\
& 3 x+2 y \leq 30 \\
& x \geq 0, y \geq 0
\end{array}
$