Solve the problem using matrices.Anne and Nancy use a metal alloy that is 18.8% copper to make jewelry. How many ounces of an alloy that is 16% copper must be mixed with an alloy that is 20% copper to form 80 ounces of the desired alloy?
A. 56 oz
B. 26 oz
C. 61 oz
D. 24 oz
Answer: D
Mathematics
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