document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=480287>Question 480287</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of water should be added to 20L of a 30% acid solution to make a solution that is 10% acid? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #328953 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=328953\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many liters of water should be added to 20L of a 30% acid solution to make a solution that is 10% acid?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "----<BR>\n" );
document.write( "0.30*20 + 0*x = 0.10(20+x)<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "30*20 + 0 = 10*20 + 10x<BR>\n" );
document.write( "10x = 20*20<BR>\n" );
document.write( "x = 40L (amt. of water that must be added)<BR>\n" );
document.write( "===================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );