[tex]\displaystyle \it P\% \cdot 160=200 \Rightarrow \frac{P}{100} \cdot 160=200 \Rightarrow \frac{160P}{100} =200 \Rightarrow \\ \\ \Rightarrow \frac{16P}{10} =200 \Rightarrow 16P=200 \cdot 10 \Rightarrow 16P=2000 \Rightarrow P= \frac{2000}{16} \Rightarrow x=125[/tex]
