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Daca 1 kg de produs contine 34mg/kg de produs auxiliar,atunci cit produs auxiliar contine 1000 tone?

Răspuns :

1000 kg+ 1t
1000t= 1000·1000kg= 1000000kg
34·1000000 = 34000000mg/kg
1 kg.........34 mg
1000000.......x
x=34000000mg=34kg