document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=185192>Question 185192</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Set up a system of equations solve: How many liters of a 10% acid solution and a 20% acid solution must be added together to get 45 liters of an 18% acid solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #138930 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=138930\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .20x+.10(45-x)=45*.18<BR>\n" );
document.write( ".20x+4.5-.10x=8.1<BR>\n" );
document.write( ".10x=8.1-4.5<BR>\n" );
document.write( ".10x=3.6<BR>\n" );
document.write( "x=3.6/.1<BR>\n" );
document.write( "x=36 liters of 20% acid is used.<BR>\n" );
document.write( "45-36=9 liters of 19% acid is used.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".20*36+.1*9=45*.18<BR>\n" );
document.write( "7.2+.9=8.1<BR>\n" );
document.write( "8.1=8.1 </SPAN>\n" );
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