SOLUTION: The amount of gold jewelry a 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 gol
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Question 187660: The amount of gold jewelry a 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. 14;24 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?
please help
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Write the ratio of the mass of the gold in the ring to the mass of the ring:
and this is equal to
Solve this proportion by cross-multiplying.
Now divide both sides by 24.
ounces of gold in the ring. Multiply this by $300 per ounce to find the value of the gold in the ring.
The value of the gold is $90.00
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