[tex]\it\ Fie\ x\ num\breve arul\ copacilor\ (reprezentat\ prin\ procentul\ 100\%)[/tex]
[tex]\it 55\%\ din\ x=22 \Rightarrow \dfrac{\ 55^{(5}}{100}\cdot x=22 \Rightarrow \dfrac{11}{20}\cdot x=22|_{\cdot\frac{1}{11}} \Rightarrow \dfrac{x}{20}=2 \Rightarrow x=40[/tex]
