document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=901260>Question 901260</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of water must be mixed with 20 liters of a 90% alcohol mixture so that the alcohol content of the mixture is reduced to 50%?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #546597 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=546597\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x be the number of liters of water												<BR>\n" );
document.write( "---	percent	----------------	Amount									<BR>\n" );
document.write( "Alcohol	90	----------------			20	liters						<BR>\n" );
document.write( "water	0	----------------			x	liters						<BR>\n" );
document.write( "Mixture	50	----------------	20	+	x	liters						<BR>\n" );
document.write( "												<BR>\n" );
document.write( "90	*	20	+	0	x	=	50	(	20	+	x	)<BR>\n" );
document.write( "1800	+	0	x	=	1000	+	50	x				<BR>\n" );
document.write( "0	x		-50	x	=	-1800	+	1000				<BR>\n" );
document.write( "-50	x	=	-800									<BR>\n" );
document.write( "/	-50											<BR>\n" );
document.write( "x	=	16		liters	water							<BR>\n" );
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