Zadanie 4.
100 % to całość
150 % to półtora
300 % to 3 razy więcej
Zadanie 5.
[tex]a) \: 1 \frac{65}{100} [/tex]
[tex]b) \: 1 \frac{30}{100} = 1 \frac{3}{10} [/tex]
[tex]d) \: 350\%[/tex]
[tex]c) \:101\%[/tex]
Zadanie 6.
[tex]57\% = \frac{57}{100} = 0.57[/tex]
[tex]6\% = \frac{6}{100} = 0.06[/tex]
[tex]173\% = 1 \frac{73}{100} = 1.73[/tex]
Zadanie 7.
[tex]a) \: 10\% = \frac{1}{10} \\40\% = \frac{2}{5 } \\ 80\% = \frac{4}{5} [/tex]
[tex]b) \: 30\% = \frac{3}{10} \\ 60\% = \frac{3}{5} \\ 90\% = \frac{9}{10} [/tex]
[tex]c) \: 5\% = \frac{1}{20} \\ 15\% = \frac{3}{20} \\ 55\% = \frac{11}{20} [/tex]
Zadanie 8.
[tex]a) \: 45\% = 0.4 \\ 94\% = 0.94 \\ 76\% = 0.76[/tex]
[tex]b) \: 30\% = 0.3 \\ 60\% = 0.6 \\ 80\% = 0.8[/tex]
[tex]c) \: 4\% = 0.04 \\ 7\% = 0.07 \\ 109\% = 1.09[/tex]
Zadanie 9.
[tex]a) \: \frac{1}{4} = 25\%[/tex]
[tex]b) \: \frac{3}{5} = \frac{60}{100} = 60\%[/tex]
[tex]c) \: \frac{2}{5} = \frac{40}{100} = 40\%[/tex]
[tex]d) \: \frac{1}{3} = 30\%[/tex]
