document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=505204>Question 505204</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \"How many liters of a 40% alcohol solution must be mixed with a 65% solution to obtain 20 liters of a 50% solution? With complete solution\" </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #339814 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=339814\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"How many liters of a 40% alcohol solution must be mixed with a 65% solution to obtain 20 liters of a 50% solution? With complete solution\"<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "alcohol + alcohol = alcohol<BR>\n" );
document.write( "0.40x + 0.65(20-x) = 0.50*20<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "40x + 65*20 - 65x = 40*20<BR>\n" );
document.write( "-25x = -15*20<BR>\n" );
document.write( "x = 12 liters (amt. of 40% solution needed)<BR>\n" );
document.write( "20-x = 8 liters (amt. of 65% solution needed)<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );