document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=758198>Question 758198</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A certain metal is 20% tin. How many Kg of this metal must be mixed with 80 kg of a metal that is 70% tin to get a metal that is 50% tin?\r<BR>\n" );
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document.write( "Kg of Metal     Rate     Kg of tin<BR>\n" );
document.write( "x               .20        x<BR>\n" );
document.write( "80              .70        x<BR>\n" );
document.write( "x               .50        x\r<BR>\n" );
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document.write( "What I have so far:\r<BR>\n" );
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document.write( ".20x+.7(80)=.5(x+?)?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #461300 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=461300\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A certain metal is 20% tin. How many Kg of this metal must be mixed with 80 kg of a metal that is 70% tin to get a metal that is 50% tin?<BR>\n" );
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document.write( "let x=amt of 20% tin to be mixed<BR>\n" );
document.write( "80+x=amt of 50% tin final mixture<BR>\n" );
document.write( "20%x+70%(80)=50%(80+x)<BR>\n" );
document.write( ".2x+56=40+.5x<BR>\n" );
document.write( "0.3x=16<BR>\n" );
document.write( "x&#8776;53.33<BR>\n" );
document.write( "amt of 20% tin to be mixed&#8776;53.33 Kg<BR>\n" );
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