8 baieti....6 fete.....156kg coacaze
5 baieti...12 fete.....180 kg coacaze
egalam nr de fete prin amplificare(x2) si avem:
16 baieti....12 fete.....312 kg coacaze
5 baieti....12 fete........180 kg coacaze
16-5=11 baieti
312-180= 132 kg coacaze
132:11=12 kg coacaze de baiat
16baieti x12 kg......12 fete......312 kg coascaze
12 fete=312-(16x12)
12 fete= 312-192
=120
201:12 fete=10 kg coacaze /fata