Exercises 3542 involve mixtures. For thousands of years,
Chapter 4, Problem 4.1.297(choose chapter or problem)
Exercises 3542 involve mixtures. For thousands of years, gold has been considered one of Earths 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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