Solve the problem.Anne and Nancy use a metal alloy that is 21% copper to make jewelry. How many ounces of an alloy that is 18% copper must be mixed with an alloy that is 23% copper to form 65 ounces of the desired alloy?
A. 39 ounces
B. 28 ounces
C. 44 ounces
D. 26 ounces
Answer: D
Mathematics
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