document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=549394>Question 549394</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has 40 ounces of a solution of iodine and alcohol, which is 15% iodine. How much pure iodine must be added to make a solution that is 20% iodine? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #357798 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=357798\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 	--------percent	----------------	quantity									<BR>\n" );
document.write( "Iodine	15	----------------			40	oz						<BR>\n" );
document.write( "Iodine	100	----------------			x	oz						<BR>\n" );
document.write( "Mixture	20	----------------	40	+	x	oz						<BR>\n" );
document.write( "												<BR>\n" );
document.write( "15*40+100x=20(40+x)<BR>\n" );
document.write( "600+100x=800+20x				<BR>\n" );
document.write( "100x-20x=800-600				<BR>\n" );
document.write( "80x=200									<BR>\n" );
document.write( "/	80											<BR>\n" );
document.write( "x	=	2.5										<BR>\n" );
document.write( "2.5	oz		of			Iodine				<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );