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Algebra
Question

Find the maximum value of

$$P = 5 x + 6 y$$

subject to the following constraints:

$$\left\{ \begin{array} { l } { x + y \leq 6 } \\ { 2 x + 3 y \leq 16 } \\ { x \geq 0 } \\ { y \geq 0 } \end{array} \right.$$

$$P = [ ? ]$$