document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=837016>Question 837016</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a smelter ha 640 pounds of a 50% silver alloy and 200 pounds of a 20% alloy. how much of the 50% silver alloy must be mixed with all of the 20% alloy to give a 30% silver alloy? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #504444 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=504444\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a smelter has 640 pounds of a 50% silver alloy and 200 pounds of a 20% alloy. how much of the 50% silver alloy must be mixed with all of the 20% alloy to give a 30% silver alloy?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "silver + silver = silver<BR>\n" );
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document.write( "0.50x + 0.20*200 = 0.30(x+200)<BR>\n" );
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document.write( "50x + 20*200 = 30x + 30*200<BR>\n" );
document.write( "20x = 10*200<BR>\n" );
document.write( "x = 100 lbs (amt. of 50% alloy needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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