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August 29, 2015

Homework Help: math

Posted by kirk on Wednesday, March 17, 2010 at 10:14am.

The amount of gold jewelry and other products is measured
in karats (K), where 24K represents pure gold. The mark 14K
on a chain indicates that the ratio between the mass of the
gold in the chain and the mass of the chain is . If a gold
ring is marked 18K and it weighs 0.4 oz, what is the value of
the gold in the ring if pure gold is valued at $300 per oz?

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