Răspuns :
[tex]\displaystyle\bf\\ 20\%~din~800~Lei = 20\%\times800=\frac{20}{100}\times800=\\\\ \frac{20\times800}{100}=20\times8=\boxed{\bf160~Lei}[/tex]
[tex]\displaystyle\bf\\ 20\%~din~800~Lei = 20\%\times800=\frac{20}{100}\times800=\\\\ \frac{20\times800}{100}=20\times8=\boxed{\bf160~Lei}[/tex]