document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1067717>Question 1067717</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mother wants to invest $9,000.00 for her son's future education. She invests a portion of the money in a bank certificate of deposit (CD account) which earns 4% and the remainder ina. Savings bond that earns 7%. If the total interest earned after one year is $540.00 , how much money was invested in the CD account ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #682824 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=682824\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x@4%<BR>\n" );
document.write( "9000-x@7%<BR>\n" );
document.write( ".04x+(.07)(9000-x)=540<BR>\n" );
document.write( "-0.03x=630=540<BR>\n" );
document.write( "-0.03x=-90<BR>\n" );
document.write( "3x=9000<BR>\n" );
document.write( "x=$3000@4%=$120  ANSWER is $3000 in CD at 4%<BR>\n" );
document.write( "9000-x=$6000@7%=$420<BR>\n" );
document.write( "They sum to $540. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );