f+b+a=11454 f=b+418 a=2X(f+b) a=2x(b+418+b)=2*b+2*418+2*b=4b+836 acum inlocuim b+418+b+4b+836=11454 6b+836+418=11454 6b+1254=11454 6b=11454-1254 6b=10200 b=10200:6 b=1700 f=1700+418 f=2118 a=2x(2118+1700) a=2x3818 a=7636 verificare 2118+1700+7636=11454. f=fete b=baieti a =adulti