$$ \begintabular|c|c|c|\hline \textbfPrecio & \textbfDescuento (20\%) & \textbfPrecio Final \ \hline 200 & 40 & 160\ \hline 800 & 800 \cdot 0.20 = \textcolorblue160&800 \cdot 0.80= \textcolorblue640 \ \hline \textcolorred70& 14 & 70 \cdot 0.80 = \textcolorblue56 (…)