6 - 1,2
x - 1
x= 1*6 : 1,2=5
cena za 1 kg wynosi 5 zł
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Masa-1,2kg=1200g
1200:6=200g ( 1zl )
1kg=1000g:200g=5
5*1zl=5zl
6 - 1,2
x - 1
x= 1*6 : 1,2=5
cena za 1 kg wynosi 5 zł