Răspuns:
Explicație pas cu pas:
3 l suc morcovi.................2 l suc patrunjel......................14 kg legume
5 l suc morcovi.................2 l suc patrunjel......................18 kg legume
5 - 3 = 2 l suc morcovi.............................................18 - 14 = 4 kg
1 l suc morcovi..............4 : 2 = 2 kg morcovi
3 l suc morcovi................2 x 3 = 6 kg morcovi
2 l suc patrunjel..................14 - 6 = 8 kg patrunjel
1 l suc patrunjel.................8 : 2 = 4 kg patrunjel