document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=393480>Question 393480</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that you have a supply of a 20% solution of alcohol and a 80% solution of alcohol. How many quarts of each should be mixed to produce 90 quarts that is 50% alcohol? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #279257 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=279257\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=quarts of 20% solution, 90-x = quarts of 80% solution<BR>\n" );
document.write( ".2 * x = 20x<BR>\n" );
document.write( ".8 * (90-x) = 72-.8x<BR>\n" );
document.write( ".5 * 90 = 45<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".2x-.8x+72=45<BR>\n" );
document.write( "-.6x=-27<BR>\n" );
document.write( "x=45 quarts<BR>\n" );
document.write( "90-x=45 quarts<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );