document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=564662>Question 564662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A merchant has coffe worth $30 a pound that she wishes to mix with 40 pounds of coffee worth $90 a pound to get a mixture that can be sold for $70 a pound. How many pounds of the $30 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 #365421 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=365421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> --------	price	----------------	quantity								<BR>\n" );
document.write( "Coffee type I	90	----------------40	pounds					<BR>\n" );
document.write( "Coffee type II	30	----------------x	pounds					<BR>\n" );
document.write( "Mixture	70	----------------40+x	pounds					<BR>\n" );
document.write( "											<BR>\n" );
document.write( "90*40+30x=70(40+x)<BR>\n" );
document.write( "3600+30x=2800+70x			<BR>\n" );
document.write( "30x-70x=2800-3600				<BR>\n" );
document.write( "-40x=-800								<BR>\n" );
document.write( "/-40										<BR>\n" );
document.write( "x=20pounds of 	Coffee type II							<BR>\n" );
document.write( "											<BR>\n" );
document.write( "m.ananth@hotmail.ca											<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );