document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=105817>Question 105817</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 interest. If her total yearly interest from both investments was $7200, 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 #77011 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=77011\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .03X+.05(3X)=7200<BR>\n" );
document.write( ".03X+.15X=7,200<BR>\n" );
document.write( ".18X=7,200<BR>\n" );
document.write( "X=7,200/.18<BR>\n" );
document.write( "X=40,000 IS THE AMOUNT INVESTED @ 3%<BR>\n" );
document.write( "3*40,000=120,000 INVESTED @ 5%<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( ".03*40,000+.05*120,000=7200<BR>\n" );
document.write( "1,200+6,000=7,200<BR>\n" );
document.write( "7,200=7,200 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );