document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=221975>Question 221975</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a hospital needs 80 L of a 12% solution of disinfectant. how many liters of a 33% solution and a 5% solution should be mixed to obtain this 12% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166326 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=166326\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .33x+.05(80-x)=.12*80<BR>\n" );
document.write( ".33x+4-.05x=9.6<BR>\n" );
document.write( ".33x-.05x=9.6-4<BR>\n" );
document.write( ".28x=5.6<BR>\n" );
document.write( "x=5.6/.28<BR>\n" );
document.write( "x=20 L of 33% solution is used.<BR>\n" );
document.write( "80-20=60 L of 5% solution is used.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".33*20+.05*60=.12*80<BR>\n" );
document.write( "6.6+3=9.6<BR>\n" );
document.write( "9.6=9.6<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );