tolong nomer 18, pake caranya. jangan asal jawab

[tex] \frac{t}{8} = \frac{12}{20} \\ \\ \frac{t}{8} = \frac{3}{5} \\ \\ t= \frac{3.8}{5} \\ \\ t= \frac{24}{5}=4,8 [/tex]