$$\underset{\,\,\,\,{\textcolor[rgb]{0.66,0.66,0.66}{\rightarrow {\mathtt{l, c, p}}}}}{{solve}}{\left(\begin{array}{l}{\mathtt{L}}{\mathtt{\,\small\textbf+\,}}{\mathtt{C}}{\mathtt{\,\small\textbf+\,}}{\mathtt{P}}={\mathtt{200.3}}\\
{\mathtt{L}}{\mathtt{\,\small\textbf+\,}}{\mathtt{12.8}}={\mathtt{P}}\\
{\mathtt{L}}{\mathtt{\,\times\,}}{\mathtt{3}}={\mathtt{C}}\end{array}\right)} \Rightarrow \left\{ \begin{array}{l}{\mathtt{l}} = {\frac{{\mathtt{75}}}{{\mathtt{2}}}}\\
{\mathtt{c}} = {\frac{{\mathtt{225}}}{{\mathtt{2}}}}\\
{\mathtt{p}} = {\frac{{\mathtt{503}}}{{\mathtt{10}}}}\\
\end{array} \right\} \Rightarrow \left\{ \begin{array}{l}{\mathtt{l}} = {\mathtt{37.5}}\\
{\mathtt{c}} = {\mathtt{112.5}}\\
{\mathtt{p}} = {\mathtt{50.3}}\\
\end{array} \right\}$$
.
) 