Skrzynka z jabłkami waży 12,5kg waga netto jabłek wynosi 11kg.jaki procent wagi a)brutto stanowi waga netto ? b)brutto stanowi tara c)netto stanowi tara
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a)11/12.5*100%=88%
b)12.5kg.-11kg.=1.5kg
1.5/12.5*100%=12%
c)1.5/11*100%=13.636363...%
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