document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=908230>Question 908230</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a chemist needs 13 liters of a 10% acid solution. How much of a 5% solution should be mixed with a 31% solution to get that? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #550886 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=550886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+b=13,<BR>\n" );
document.write( "0.05*a+0.31*b=0.1*13<BR>\n" );
document.write( "a=13-b<BR>\n" );
document.write( "0.05*(13-b)+0.31*b=1.3<BR>\n" );
document.write( "0.65-0.05b+0.31*b=1.3<BR>\n" );
document.write( "0.26*b=0.65<BR>\n" );
document.write( "b=2.5<BR>\n" );
document.write( "a=13-b<BR>\n" );
document.write( "a=10.5  liter at 5%<BR>\n" );
document.write( "b=2.5  liter at 31%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.05*10.5+0.31*2.5=0.1*13<BR>\n" );
document.write( "0.525+0.775=1.3<BR>\n" );
document.write( "1.3=1.3<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );