Odpowiedź:
[tex]2a:4,8=3,05\\\\2a:\frac{48}{10}=\frac{305}{100}\\\\2a:\frac{24}{5}=\frac{61}{20}\\\\\not2^1a\cdot\frac{5}{\not24_{12}}=\frac{61}{20}\\\\a\cdot\frac{5}{12}=\frac{61}{20}\\\\\frac{5}{12}a=\frac{61}{20}\ \ /:\frac{5}{12}\\\\a=\frac{61}{\not20_{5}}\cdot\frac{\not12^3}{5}\\\\a=\frac{183}{25}\\\\a=7\frac{8}{25}[/tex]
