SOLUTION: Anne and Nancy use a metal alloy that is 23.2% copper to make jewelry. How many ounces of a 19% alloy must be mixed with a 29% alloy to form 50 ounces of the desired alloy?

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Question 207032: Anne and Nancy use a metal alloy that is 23.2% copper to make jewelry. How many ounces of a 19% alloy must be mixed with a 29% alloy to form 50 ounces of the desired alloy?


Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
19%=x=29oz
29%=50-x=31oz
.19x+.29(50-x)=.232(50)
.19x+14.5-.29x=11.6
-.1x=-2.9
x=29 oz