Question
A crate which contains 7 similar packets of corn starch and 3 similar packets of oats has a mass of 3 kg 390 g. The crate alone is 320 g. Each packet of corn starch has a mass of 340 g. Find the mass of each packet of oats in kg.
3 m

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A crate which contains 7 similar packets of corn starch and 3 similar packets of oats has a mass of 3 kg 390 g. The crate alone is 320 g. Each packet of corn starch has a mass of 340 g. Find the mass of each packet of oats in kg.