document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=513644>Question 513644</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a certain metal is 30% tin. how many kilograms of this metal must be mixed with 70 kg of a metal that is 70% tin to get a metal that is 50% tin? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #343069 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=343069\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 	--------percent	----------------	quantity									<BR>\n" );
document.write( "Tin I	70	----------------			70	Kgs						<BR>\n" );
document.write( "Tin II	30	----------------			x	Kgs						<BR>\n" );
document.write( "Mixture	50	----------------	70	+	x	Kgs						<BR>\n" );
document.write( "												<BR>\n" );
document.write( "70*70+30	x=	50	(	70	+	x	)<BR>\n" );
document.write( "4900 +	30x	=	3500	+	50	x				<BR>\n" );
document.write( "30	x	+	-50	x	=	3500	-	-4900				<BR>\n" );
document.write( "-20	x	=	-1400									<BR>\n" );
document.write( "/	-20											<BR>\n" );
document.write( "x	=	70										<BR>\n" );
document.write( "		70	Kgs		of	30	%	Tin II				<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );