Solve the problem.Anne and Nancy use a metal alloy that is 17.3% copper to make jewelry. How many ounces of a 13% alloy must be mixed with a 20% alloy to form 70 ounces of the desired alloy?

A. 48 ounces
B. 29 ounces
C. 43 ounces
D. 27 ounces


Answer: D

Mathematics

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A.

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C.

D.

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