document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=752225>Question 752225</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A solution containing 12% alcohol is to be mixed with a solution <BR>\n" );
document.write( "containing 4% alcohol to make 20 gallons of solution containing <BR>\n" );
document.write( "9% alcohol. How much of each solution should be used? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #457634 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=457634\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A solution containing 12% alcohol is to be mixed with a solution <BR>\n" );
document.write( "containing 4% alcohol to make 20 gallons of solution containing <BR>\n" );
document.write( "9% alcohol. How much of each solution should be used?<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "alch + alch = alch<BR>\n" );
document.write( "----<BR>\n" );
document.write( "0.12x + 0.04(20-x) = 0.9*20<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "12x + 4*20 - 4x = 9*20<BR>\n" );
document.write( "8x = 5*20<BR>\n" );
document.write( "x = 12.5 gallons (amt. of 12% solution needed)<BR>\n" );
document.write( "20-x = 7.5 gallons (amt. of 4% 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" );