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July 29, 2015

Homework Help: College Pre Calculus

Posted by Anonymous on Thursday, September 1, 2011 at 4:46pm.

anne and nancy use a metal alloy that is 19.3% copper to make jewelry. how many ounces of a 19% alloy must be mixed with a 20% alloy to form 110 ounces of the desired alloy?

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