document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=551707>Question 551707</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much pure acid must be added to 50ml of 25% acid solution to produce a mixture that is 60% acid  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #359852 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=359852\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 	percent	----------------	quantity								<BR>\n" );
document.write( "Acid 	25	----------------50	ml					<BR>\n" );
document.write( "Pure acid	100	----------------x	ml					<BR>\n" );
document.write( "Mixture	60	----------------	50+xml					<BR>\n" );
document.write( "											<BR>\n" );
document.write( "25*50+100x=60(50+x)<BR>\n" );
document.write( "1250+100x=3000+60x			<BR>\n" );
document.write( "100x-60	x=3000	-1250				<BR>\n" );
document.write( "40	x	=	1750								<BR>\n" );
document.write( "/	40										<BR>\n" );
document.write( "x=	43.75	ml	of 	Pure acid							<BR>\n" );
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