wszystkie ciasteczka - 40
Wojtek - [tex]\frac{1}{4}[/tex] * 40 = [tex]\frac{1}{4}[/tex] * [tex]\frac{40}{1}[/tex] = [tex]\frac{1}{1}[/tex] * [tex]\frac{10}{1}[/tex] = [tex]\frac{10}{1}[/tex] = 10
Asia - [tex]\frac{1}{5}[/tex] * (40-10) = [tex]\frac{1}{5}[/tex] * 30 = [tex]\frac{1}{5\\}[/tex] * [tex]\frac{30}{1}[/tex] = [tex]\frac{1}{1}[/tex] * [tex]\frac{6}{1}[/tex] = [tex]\frac{6}{1}[/tex] = 6
tata - [tex]\frac{1}{2}[/tex] * (40-10-6) = [tex]\frac{1}{2}[/tex] * 24 = [tex]\frac{1}{2}[/tex] * [tex]\frac{24}{1}[/tex] = [tex]\frac{1}{1}[/tex] * [tex]\frac{12}{1}[/tex] = 12
mama - 40-10-6-12 = 12
40 - 100%
4 -10%
12 - 30%
Odp. Mama zjadła 30% wszystkich ciasteczek.
