Question
A crate which contains 9 similar packets of green beans and 6 similar packets of black beans has a mass of 5 kg 80 g. The crate alone is 580 g. Each packet of green beans has a mass of 360 g. Find the mass of each packet of black beans in kg.
3 m

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A crate which contains 9 similar packets of green beans and 6 similar packets of black beans has a mass of 5 kg 80 g. The crate alone is 580 g. Each packet of green beans has a mass of 360 g. Find the mass of each packet of black beans in kg.