$\text{a)}165\%\text{kwoty to}1\frac{65}{100}\text{tej kwoty, bo}165\%=100\%+65\%=\frac{100}{100}+\frac{65}{100}=1+\frac{65}{100}=1\frac{65}{100}$  

$\text{b)}120\%\text{kwoty to}\underline{\underline{1\frac{1}{5}}}\text{tej kwoty, bo}120\%=100\%+20\%=\frac{100}{100}+\frac{20}{100}=1+\frac{20}{100}=1\frac{20}{100}=1\frac{1}{5}$

$\text{c)}\underline{\underline{101\%}}\text{kwoty to}1\frac{1}{100}\text{tej kwoty, bo}1\frac{1}{100}=1+\frac{1}{100}=\frac{100}{100}+\frac{1}{100}=\frac{101}{100}=101\%$

$\text{d)}\underline{\underline{450\%}}\text{kwoty to}4\frac{1}{2}\text{tej kwoty, bo}4\frac{1}{2}=4+\frac{1}{2}=\frac{400}{100}+\frac{50}{100}=\frac{450}{100}=450\%$