Question

Cati lei costa 8 pixuri stiind ca 6 pixuri costa 18 lei?

Answer 1

$\frac{6}{8} = \frac{18}{x} \\ 6x=18 \cdot 8 \\ 6x=144 \\ x= \frac{144}{6} \\ \Rightarrow \boxed{8 \ p=24 \ lei}$

Answer 2

18:6=3 lei costa un pix 8×3=24 lei 8 pixuri