Solve.Trina and Monica use a metal alloy that is 22.1% copper to make jewelry. How many ounces of a 19% alloy must be mixed with a 25% alloy to form 120 ounces of the desired alloy?
A. 67 oz
B. 62 oz
C. 58 oz
D. 60 oz
Answer: C
Mathematics
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sec-1 x
A. - 
B. ?
C. 0
D. 
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