document.write( "Question 224305: Thirty ounces of pure silver are added to 50oz of a silver alloy that is 20% silver. What is the percent concentration of the resulting alloy? \n" ); document.write( "
Algebra.Com's Answer #167565 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! 100% * 30 + 20% * 50 = (x%) * (30+50) \n" ); document.write( ". \n" ); document.write( "1*30 +.2*50 = x* 80 \n" ); document.write( ". \n" ); document.write( "30+10= 80x \n" ); document.write( ". \n" ); document.write( "40=80x \n" ); document.write( ". \n" ); document.write( ".5 = x,,,,,,,or 50% \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "check,,,,30 + 10 = .5*80=40,,,,,ok \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " |