Solve the problem.Anne and Nancy use a metal alloy that is 28.2% copper to make jewelry. How many ounces of an alloy that is 23% copper must be mixed with an alloy that is 30% copper to make 105 ounces of the desired alloy?
A. 83 ounces
B. 78 ounces
C. 27 ounces
D. 29 ounces
Answer: C
Mathematics
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