document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=21038>Question 21038</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Melissa invested a sum of money at 3% annual simple interest. She invested three times that sum at 5% annual simple intrest. If her total yearly intrest from both investments was $3600, how much was invested at 3%? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #11181 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=11181\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let \"x\" be the amount invested at 3%<BR>\n" );
document.write( "Then \"3x\" is the amount invested at 5%<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( " 0.03x + 0.05(3x) = 3600<BR>\n" );
document.write( "    3x + 15x = 360000<BR>\n" );
document.write( "         18x = 360000<BR>\n" );
document.write( "   x = $20,000  (amount invested at 3%)<BR>\n" );
document.write( "  3x = $60,000  (amount invested at 5%)\r<BR>\n" );
document.write( "\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );