Question
A container which contains 12 similar packets of potato starch and 8 similar packets of black beans has a mass of 7 kg 210 g. The container alone is 570 g. Each packet of potato starch has a mass of 320 g. Find the mass of each packet of black beans in kg.
3 m

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A container which contains 12 similar packets of potato starch and 8 similar packets of black beans has a mass of 7 kg 210 g. The container alone is 570 g. Each packet of potato starch has a mass of 320 g. Find the mass of each packet of black beans in kg.