document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=782123>Question 782123</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much copper and how much magnesium should be added to 200lbs of an alloy containing 20% copper and 40% magnesium to produce an alloy containing 24% copper and 50% magnesium? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #476291 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=476291\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much copper and how much magnesium should be added to 200lbs of an alloy containing 20% copper and 40% magnesium to produce an alloy containing 24% copper and 50% magnesium?<BR>\n" );
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document.write( "Copper Equation:: 0.20*200 + 1*c = 0.24(200+c)<BR>\n" );
document.write( "20*200 + 100c = 24*200 + 24c<BR>\n" );
document.write( "76c = 4*200<BR>\n" );
document.write( "c = 200/19<BR>\n" );
document.write( "c = 10.53 lbs (amt. of pure copper to add)<BR>\n" );
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document.write( "Magnesium Eq::::: 0.40*200 + 1*m = 0.50(200+m)<BR>\n" );
document.write( "40*200 + 100m = 50*200 + 50m<BR>\n" );
document.write( "50m = 10*200<BR>\n" );
document.write( "m = 40 lbs (amt of pure magnesium to add)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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