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21. A piece of jewelry is made up of 18k. It means that the jewelry is made up of
parts
A. 9 gold; 9 copper.
C. 18 gold; 6 copper.
B. 18 copper; 6 gold.
D. 18 copper; 9 gold.
21. A piece of jewelry is made up of 18k. It means that the jewelry is made up of
parts
A. 9 gold; 9 copper.
C. 18 gold; 6 copper.
B. 18 copper; 6 gold.
D. 18 copper; 9 gold.
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C. 18 gold and 6 copper.