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o familie consuma cate 3 paini de 500g pe zi
cate kg de paine consuma familiape saptamana?
ce suma plateste familia pentrupaine consumatain anul 1996stiind ca un kg de paine costa 700 lei


Răspuns :

3painix500g=1500g,paine/zi
1500x7zile=10500g=10,5kg,paine/sapt.

1500g------------1zi
x-------------------365zile
x=547500g/an=547,500kg,paine/an

1kg-----------------700lei
547,500kg-------y
y=383250lei
500g  x  3 paini= 1.5kg de paine pe zi
1.5kg   x  7(zile  ale saptamanii)   =10.5kg pe saptamana

In anul 1996 ei cu consumat   1.5kg  x   365(zile in an)=547.5
Suma platita in 1996 este de:    547.5kg       x    700lei     =383250 lei