Reprezint grafic masa fiecarui camion
primul camion l------l------l------l } total = 80 tone
al doilea camion l------l
3 + 1 = 4 parti egale cu suma 80 t
80 t : 4 = 20 tone are al doilea camion
80 tone - 20 tone = 60 tone are primul camion
sau: 3 × 20 = 60 tone are primul camion
Verific: 60 t + 20 t = 80 tone
60 > 20 de 3 ori