document.write( "Question 359223: Forty ounces of a 30% gold alloy are mixed with 60 ounces of a 20% gold alloy. Find the percent concentration of the resulting gold alloy. \n" ); document.write( "
Algebra.Com's Answer #256389 by nyc_function(2741)\"\" \"About 
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40(.30) + 60(.20) = \r
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