a) Zamalowano 9 trójkątów z 12:
[tex]\dfrac{9}{12}\cdot100\%= \dfrac{3}{4}\cdot100\%= \dfrac{300}{4}\%= \boxed{75\%}[/tex]
b) Zamalowano 2 kwadraty z 8:
[tex]\dfrac{2}{8}\cdot100\%= \dfrac{1}{4}\cdot100\%= \dfrac{100}{4}\%= \boxed{25\%}[/tex]
c) Zamalowano 16 kółek z 25:
[tex]\dfrac{16}{25}\cdot100\%= \dfrac{1600}{25}\%= \boxed{64\%}[/tex]
d) Zamalowano 18 pięcioboków z 30:
[tex]\dfrac{18}{30}\cdot100\%= \dfrac{3}{5}\cdot100\%= \dfrac{300}{5}\%= \boxed{60\%}[/tex]
e) Zamalowano 7 gwiazdek z 14:
[tex]\dfrac{7}{14}\cdot100\%= \dfrac{1}{2}\cdot100\%= \dfrac{100}{2}\%= \boxed{50\%}[/tex]
f) Zamalowano 4 równoległoboki z 20:
[tex]\dfrac{4}{20}\cdot100\%= \dfrac{1}{5}\cdot100\%= \dfrac{100}{5}\%= \boxed{20\%}[/tex]
