document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=911511>Question 911511</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of a 8% salt solution must be mixed with 18 liters of a 32% salt solution to obtain a 20% salt solution </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #553134 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=553134\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Shortcut <BR>\n" );
document.write( "20 is the average of 8 and 32 so we need equal amounts of each.\r<BR>\n" );
document.write( "\n" );
document.write( "We have 18 liter of 32% solution<BR>\n" );
document.write( "We want to add some 8% solution  to make   20% solution<BR>\n" );
document.write( "0.08*x+0.32*18=0.2(18+x)<BR>\n" );
document.write( "0.08*x+5.76=3.6+0.2x<BR>\n" );
document.write( "0.08x-0.2x=3.6-5.76<BR>\n" );
document.write( "-0.12x=-2.16<BR>\n" );
document.write( "x=18 liter at 8% (1.44) is added to 18 liter at 32%(5.76) to make 20% of 36 liter(7.2)<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.08*18+0.32*18=0.2(18+18)<BR>\n" );
document.write( "1.44+5.76=0.2(36)<BR>\n" );
document.write( "7.2=7.2<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "codemixadd\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );