Cześć!
Przelicznik
[tex]1\%=\dfrac{1}{100}[/tex]
1)
[tex]35\%=\dfrac{35}{100}=\dfrac{35:5}{100:5}=\boxed{\frac{7}{20}}[/tex]
2)
[tex]70\%=\dfrac{70}{100}=\dfrac{70:10}{100:10}=\boxed{\frac{7}{10}}\\[/tex]
3)
[tex]42\%=\dfrac{42}{100}=\dfrac{42:2}{100:2}=\boxed{\frac{21}{50}}\\[/tex]
