document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=434071>Question 434071</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many kilograms of pure alcohol must be added to 20 grams of a 10% alcohol solution to produce 50% </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #300816 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=300816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = the required number of kilograms of pure alcohol.<BR>\n" );
document.write( "x(100%)+(20)(10%) = (20+x)(50%) Simplify.<BR>\n" );
document.write( "x+2 = 10+0.5x Subtract 0.5x from both sides.<BR>\n" );
document.write( "0.5x+2 = 10 Subtract 2 from both sides.<BR>\n" );
document.write( "0.5x = 8 Finally, divide both sides by 0.5<BR>\n" );
document.write( "x = 16 kg. </SPAN>\n" );
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