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)\"\" \"About 
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100% * 30 + 20% * 50 = (x%) * (30+50)
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\n" ); document.write( "1*30 +.2*50 = x* 80
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\n" ); document.write( "30+10= 80x
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\n" ); document.write( "40=80x
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\n" ); document.write( ".5 = x,,,,,,,or 50%
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\n" ); document.write( "check,,,,30 + 10 = .5*80=40,,,,,ok
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