Răspuns :
[tex]a+r=460 \\\\a+8=3r \\\\ a=3r-8 \\\\ 3r-8+r=460 \\\\ 4r=460+8 \\\\ 4r=468 \ \ \ |:4 \\\\ \boxed{r=117 \ bile \ rosii} \\\\ a=460-117 \\\\ \boxed{a=343 \ bile \ albe}[/tex]
460 + 8 = 468/4= 117 (bile rosii)
460- 117 = 343 (bile albe)
460- 117 = 343 (bile albe)