document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=974099>Question 974099</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a mother earned $16250 from royalties on her cookbook. She set aside 20% of this for a down payment for a new home. The balance will be used for her son's future education. She invested a portion of the money in a bank certificate of a deposit (cd account) that earns 4% and the remainder in a savings bond that earns 7%. IF the total interest earned after one year is $780.00, how much money was invested 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 #596123 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=596123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 16,250 *0.20=3250<BR>\n" );
document.write( "She has $13,000 left\r<BR>\n" );
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document.write( "cd=x<BR>\n" );
document.write( "bond=13,000-x\r<BR>\n" );
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document.write( ".04x + .07(13,000-x)=780\r<BR>\n" );
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document.write( ".04x + 910 -.07x =780\r<BR>\n" );
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document.write( "-.03x = -130\r<BR>\n" );
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document.write( "x=$4333.33 ;;cd   \r<BR>\n" );
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document.write( "13000-x=$8666.67 ;;bond   \r<BR>\n" );
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document.write( "Check: <BR>\n" );
document.write( "4333.33*.04=173.32<BR>\n" );
document.write( "8666.67*.07=606.67.   Sum is $780. </SPAN>\n" );
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