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Solve the Problem Using a System of Equations 18.4%18.4 \% Copper to Make Jewelry

Question 69

Multiple Choice

Solve the problem using a system of equations.
-Anne and Nancy use a metal alloy that is 18.4%18.4 \% copper to make jewelry. How many ounces of a 17%17 \% alloy must be mixed with a 19%19 \% alloy to form 110 ounces of the desired alloy?


A) 77 ounces
B) 33 ounces
C) 82 ounces
D) 35 ounces

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