document.write( "Question 715484: A metal alloy weighing 2 mg and containing 10% copper is melted and mixed with 1 mg of pure copper. What percent of the resulting alloy is copper? \n" ); document.write( "
Algebra.Com's Answer #439490 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Total copper = \n" ); document.write( "\n" ); document.write( "Total new alloy = 2 mg.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Fraction of new alloy as copper = |