document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=905115>Question 905115</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in a laboratory, only 40% and 50% alcohol solutions are available. for an experement, charmaine must use alcohol with a concentration of 45%. if 200L of the solution are needed, how manny liters of each solution should be mixed </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549054 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=549054\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y=200,<BR>\n" );
document.write( "0.4*x+0.5*y=0.45*200<BR>\n" );
document.write( "0.4*x+0.5*y=90<BR>\n" );
document.write( "x=200-y<BR>\n" );
document.write( "0.4*(200-y)+0.5*y=90<BR>\n" );
document.write( "80-0.4y+0.5*y=90<BR>\n" );
document.write( "0.1*y=10<BR>\n" );
document.write( "y=100 at 50%<BR>\n" );
document.write( "x=200-y<BR>\n" );
document.write( "x=100 at 40%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.4*100+0.5*100=0.45*200<BR>\n" );
document.write( "40+50=90<BR>\n" );
document.write( "90=90<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );