document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=908515>Question 908515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A laboratory technician needs to make a 32-liter batch of a 40% acid solution. How can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 20% to get the desired concentration? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #551074 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=551074\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+b=32,<BR>\n" );
document.write( "100*a+20*b=40*32<BR>\n" );
document.write( "a=32-b<BR>\n" );
document.write( "100*(32-b)+20*b=1280<BR>\n" );
document.write( "3200-100b+20*b=1280<BR>\n" );
document.write( "-80*b=-1920<BR>\n" );
document.write( "b=24<BR>\n" );
document.write( "a=32-b<BR>\n" );
document.write( "a=8  liter at 100%<BR>\n" );
document.write( "b=24  liter at 20%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "100*8+20*24=40*32<BR>\n" );
document.write( "800+480=1280<BR>\n" );
document.write( "1280=1280<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );