document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=501670>Question 501670</A>: <I><SPAN STYLE=\"word-break: break-all;\">  merchant has coffee worth 50.00 a pound that wishes to mix with 30 pounds of coffee worth 90.00 a pound to get a mixture that can be sold for 60.00 a pound. How many pounds of the 50.00 coffee should be used. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #338619 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=338619\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 	--------price	----------------	quantity									<BR>\n" );
document.write( "Coffee I	90	----------------			30	lb						<BR>\n" );
document.write( "Coffee II	50	----------------			x	lb						<BR>\n" );
document.write( "Mixture	60	----------------	30	+	x	lb						<BR>\n" );
document.write( "												<BR>\n" );
document.write( "90*30+50x=60	(	30	+	x	)<BR>\n" );
document.write( "2700	+	50	x	=	1800	+	60	x				<BR>\n" );
document.write( "50	x	+	-60	x	=	1800	-	-2700				<BR>\n" );
document.write( "-10	x	=	-900									<BR>\n" );
document.write( "/	-10											<BR>\n" );
document.write( "x	=	90										<BR>\n" );
document.write( "		90	lb		of	50	%	Coffee II				<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );