document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=30093>Question 30093</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Lina Chen invested $24,000, part at 8% and the rest at 7.2%. How much did she invest at each rate if her income from the 8% investment is two thirds of the 7.2% investment? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #16847 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=16847\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = amount invested @ 8%<BR>\n" );
document.write( "(24000 - x) = amount invested @ 7.2%<BR>\n" );
document.write( "(.08)*x = 2/3(.072)(24000 - x)<BR>\n" );
document.write( "3*(.08x) = 2*(.072)(24000 - x)<BR>\n" );
document.write( ".24x = .144(24000 - x)<BR>\n" );
document.write( ".24x = 3456 - .144x<BR>\n" );
document.write( ".384x = 3456<BR>\n" );
document.write( "x = 9000<BR>\n" );
document.write( "(24000 - x) = 15000<BR>\n" );
document.write( "check<BR>\n" );
document.write( "(.08)*9000 = 2/3(.072)(24000 - 9000)<BR>\n" );
document.write( "720 = 2/3(.072)(15000)<BR>\n" );
document.write( "720 = (.144)(5000)<BR>\n" );
document.write( "720 = 720 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );