Question
A crate which contains 7 similar packets of peppercorns and 3 similar packets of flour has a mass of 4 kg 450 g. The crate alone is 380 g. Each packet of peppercorns has a mass of 470 g. Find the mass of each packet of flour in kg.
3 m

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A crate which contains 7 similar packets of peppercorns and 3 similar packets of flour has a mass of 4 kg 450 g. The crate alone is 380 g. Each packet of peppercorns has a mass of 470 g. Find the mass of each packet of flour in kg.