In primul rand: 1kg inseamna aproximativ 3 paini, si 1 paine costa 50bani. Deci 1kg costa 1.5 lei (1 leu 50 bani).
O persoana consuma zilnic 0.4kg paine.
Inseamna ca 29000 de persoane consuma zilnic:
[tex]29000*0.4kg= 11600kg[/tex]
Fiecare kg valoreaza 1.5lei deci 11600kg valoreaza:
[tex]11600kg * 1.5 \frac{lei}{kg} = 17.400 lei[/tex]