document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=908171>Question 908171</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of water must be added to 20 L of a 36% soap solution to make it a 12% soap solutio? <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 #550884 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=550884\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have 20 liter of 36% soap<BR>\n" );
document.write( "We want to add some 0% soap (water) to make   12% soap<BR>\n" );
document.write( "0*x+0.36*20=0.12(20+x)<BR>\n" );
document.write( "0*x+7.2=2.4+0.12x<BR>\n" );
document.write( "0x-0.12x=2.4-7.2<BR>\n" );
document.write( "-0.12x=-4.8<BR>\n" );
document.write( "x=40 liter at 0% (0) is added to 20 liter at 36%(7.2) to make 12% of 60 liter(7.2)<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0*40+0.36*20=0.12(20+40)<BR>\n" );
document.write( "0+7.2=0.12(60)<BR>\n" );
document.write( "7.2=7.2<BR>\n" );
document.write( "ok<BR>\n" );
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