Mathematics, 27.08.2020 15:01 bhhzd7499

1 The metal used to make a coin is a mixture of steel and copper. The ratio mass of steel : mass of copper is 108 :7. The coin has a total mass of 230 milligrams.
Calculate the mass of copper in this coin.
uene

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1 The metal used to make a coin is a mixture of steel and copper. The ratio mass of steel : mass of...