Mathematics, 29.05.2020 03:01 nacariahearns

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The purity of gold is measured in carats. 24-carat gold is pure gold, and has a density of 19.3
g
cm3
. 18-carat gold is often used for jewelry because it holds its shape better than pure gold. An 18-carat ring, which is 75% pure gold, has a mass of 18 g. What volume of pure gold was used to make the ring, to the nearest hundredth?

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The purity of gold is measured in carats. 24-carat gold is pure gold, and has a densi...

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