Răspuns:
2/5•4600 =simpluficam 5 si 4600 prin 5=2•920=1840kg s a vandut prima saptamana
aflam cat a ramas:
4600--1840=2760 kg
aflam cat s a vandut a doua saptamana
3/4•2760=simplificam prin 4=3•690=2070kg(a doua saptamana)
aflam cantitatea ramasa nevanduta:
4600-1840-2070=690kg zahar nevandut