document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1056298>Question 1056298</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A certain automatic soldering machine requires a solder containing half tin and half lead. How much pure tin must be added to 52 kg of a solder containing 62% lead and 38% tin to raise the tin content to 50%?\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 #671464 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=671464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = kg of pure tin to be added<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.38%2A52+=+19.76+ ALIGN=MIDDLE  ALT=\"+.38%2A52+=+19.76+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = kg of pure tin in <BR>\n" );
document.write( "the original 52 kg of solder<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+x+%2B+19.76+%29+%2F+%28+x+%2B+52+%29+=+.5+ ALIGN=MIDDLE  ALT=\"+%28+x+%2B+19.76+%29+%2F+%28+x+%2B+52+%29+=+.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+19.76+=+.5%2A%28+x+%2B+52+%29+ ALIGN=MIDDLE  ALT=\"+x+%2B+19.76+=+.5%2A%28+x+%2B+52+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+19.76+=+.5x+%2B+26+ ALIGN=MIDDLE  ALT=\"+x+%2B+19.76+=+.5x+%2B+26+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.5x+=+6.24+ ALIGN=MIDDLE  ALT=\"+.5x+=+6.24+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+12.48+ ALIGN=MIDDLE  ALT=\"+x+=+12.48+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "12.48 kg of pure tin must be added<BR>\n" );
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document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+x+%2B+19.76+%29+%2F+%28+x+%2B+52+%29+=+.5+ ALIGN=MIDDLE  ALT=\"+%28+x+%2B+19.76+%29+%2F+%28+x+%2B+52+%29+=+.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+12.48+%2B+19.76+%29+%2F+%28+12.48+%2B+52+%29+=+.5+ ALIGN=MIDDLE  ALT=\"+%28+12.48+%2B+19.76+%29+%2F+%28+12.48+%2B+52+%29+=+.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+32.24+%2F+64.48+=+.5+ ALIGN=MIDDLE  ALT=\"+32.24+%2F+64.48+=+.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+32.24+=+32.24+ ALIGN=MIDDLE  ALT=\"+32.24+=+32.24+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );