SOLUTION: Anne and Nancy use a metal alloy that is 17% copper to make jewelry. How many ounces of a 14% alloy must be mixed with a 25% alloy to form 77 ounces of the desired alloy?

Question 372030: Anne and Nancy use a metal alloy that is 17% copper to make jewelry. How many ounces of a 14% alloy must be mixed with a 25% alloy to form 77 ounces of the desired alloy?

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let A be the amount of 14% alloy.
Let B be the amount of 25% alloy.
1.
.
.

2.
Multiply eq. 1 by (-14) and add to eq. 2,

ounces
Then from eq. 1,

ounces
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