Question
A basket which contains 7 similar packets of peppercorns and 4 similar packets of corn starch has a mass of 4 kg 670 g. The basket alone is 540 g. Each packet of peppercorns has a mass of 390 g. Find the mass of each packet of corn starch in kg.
3 m

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A basket which contains 7 similar packets of peppercorns and 4 similar packets of corn starch has a mass of 4 kg 670 g. The basket alone is 540 g. Each packet of peppercorns has a mass of 390 g. Find the mass of each packet of corn starch in kg.