Función Z 

\(10_{x11}+2_{x12}+20_{x13}+11_{x14}\)
\(7_{x22}+9_{x22}+20_{x23}+12_{x24}\)
\(4_{x31}+14_{x32}+_{_{ }}16_{x33}+18_{x34}\)
\(Z:\ 2\left(15\right)+20\left(10\right)+12\left(15\right)+4\left(5\right)+16\left(5\right)=510\)