3 covrigi... 4paini.....2300grame/x7
7covrigi...7paini.....4200grame/x3
Covrigi=c
Paini=p
Grame=g
21c...28p....16100g
21c....21p...12600g
..........7p.....3500g
..........1p......3500:7=500
3c.....2000p...2300g
3c.....300g
1c....300:3=100g
La 8 nu știu sorry