Question
A crate which contains 7 similar packets of rice and 3 similar packets of green beans has a mass of 5 kg 30 g. The crate alone is 310 g. Each packet of rice has a mass of 520 g. Find the mass of each packet of green beans in kg.
3 m

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A crate which contains 7 similar packets of rice and 3 similar packets of green beans has a mass of 5 kg 30 g. The crate alone is 310 g. Each packet of rice has a mass of 520 g. Find the mass of each packet of green beans in kg.