[tex]m\to \ suma \ numarului \ bilelor; \\ r=\frac{m}{3}, \ rest \ \frac{2m}{3} \\ a=\frac{3}{4} \cdot \frac{2m}{3}, \ rest \ \frac{1}{4}\cdot \frac{2m}{3}=12 \\ \frac{2m}{12}=\frac{m}{6}=12 \Rightarrow m=6 \cdot 12=72 \ bile \\ r=\frac{m}{3}=\frac{72}{3} \\ \Rightarrow \boxed{\bold{Sunt \ 24 \ bile \ rosii}} \\ a=\frac{6m}{12}=\frac{m}{2}=\frac{72 \ bile}{2} \\ \Rightarrow \boxed{\bold{Sunt \ 36 \ bile \ albe}} [/tex]
