document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1115540>Question 1115540</A>: <I><SPAN STYLE=\"word-break: break-all;\"> $500,000 was borrowed in 3 loans, at 7%, 8%, and 9%. The annual interest was $38,600. If 3 times as much was borrowed at 7% than at 9%, how much was borrowed at each rate? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #730384 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=730384\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0.07x + 0.09y + 0.08(500,000-x+y) = 38,600<BR>\n" );
document.write( "x = 3y<BR>\n" );
document.write( "0.07(3y) + 0.09y + 0.08(500,000-4y) = 38600<BR>\n" );
document.write( "0.21y + 0.09y + 40,000 - 0.32y = 38600<BR>\n" );
document.write( "-0.02y = -1400<BR>\n" );
document.write( "y = 70,000 amount at 9%<BR>\n" );
document.write( "70,000(3) = 210,000 amount at 7%<BR>\n" );
document.write( "500,000 - 280,000 = 220,000 amount at 8%<BR>\n" );
document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<BR>\n" );
document.write( "Check: <BR>\n" );
document.write( "70,000(0.09) + 210,000(0.07) + 220,000(0.08) = 38,600 Correct<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );