document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=267929>Question 267929</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mardi received an inheritance of $50,000. She invested part at 7% and deposited the remainder in tax-free bonds at 12%. Her total annual income from the investments was $4500  Find the amount invested at 7%. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #196484 by </B><A HREF=/tutors/aboutme.mpl?userid=palanisamy><B>palanisamy(496)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=palanisamy><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=196484\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mardi received an inheritance of $50,000<BR>\n" );
document.write( "Let the amount invested at 7% be = x<BR>\n" );
document.write( "She,deposited the remainder in tax-free bonds at 12%<BR>\n" );
document.write( "So the amount invested at 12% in tax-free bonds = 50000-x<BR>\n" );
document.write( "Total annual income is  x*(7/100)+(50000-x)*(12/100) = 4500<BR>\n" );
document.write( "                        7x+600000-12x = 450000<BR>\n" );
document.write( "                        -5x = 450000-600000<BR>\n" );
document.write( "                        -5x = -150000<BR>\n" );
document.write( "                        x = -150000/(-5)<BR>\n" );
document.write( "                        x = 30000<BR>\n" );
document.write( "So the amount invested at 7%  = $30,000<BR>\n" );
document.write( "  <BR>\n" );
document.write( "    </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );