For thousands of years, gold has been considered one of
Chapter 7, Problem 57(choose chapter or problem)
For thousands of years, gold has been considered one of Earth s most precious metals. One hundred percent pure gold is 24-karat gold, which is too soft to be made into jewelry. In the United States, most gold jewelry is 14-karat gold, approximately 58% gold. If 18-karat gold is 75% gold and 12-karat gold is 50% gold, how much of each should be used to make a 14-karat gold bracelet weighing 300 grams?
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