Question
A box which contains 9 similar packets of sesame seeds and 7 similar packets of flour has a mass of 7 kg 990 g. The box alone is 390 g. Each packet of sesame seeds has a mass of 370 g. Find the mass of each packet of flour in kg.
3 m

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A box which contains 9 similar packets of sesame seeds and 7 similar packets of flour has a mass of 7 kg 990 g. The box alone is 390 g. Each packet of sesame seeds has a mass of 370 g. Find the mass of each packet of flour in kg.