document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=630802>Question 630802</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how much water should be added to 30 liters of a 40 percent acid solution to reduce it to a 30 percent solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #397168 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=397168\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how much water should be added to 30 liters of a 40 percent acid solution to reduce it to a 30 percent solution?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "water + water = water<BR>\n" );
document.write( "0.60*30 + x = 0.70(30+x)<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "60*30 + 100x = 70*30 + 70x<BR>\n" );
document.write( "30x = 10*30<BR>\n" );
document.write( "x = 10 liters (amt. of water to add)<BR>\n" );
document.write( "======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "====================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );