document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=311819>Question 311819</A>: <I><SPAN STYLE=\"word-break: break-all;\"> William opened two investment accounts for his grandson's college fund.  The first year, these investments, which totaled $18,000 yielded $831 in simple interest.  Part of the money was invested at 5.5% and the rest at 4%.  How much ws invested at each rate?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223042 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=223042\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .055X+.04(18,000-X)=831<BR>\n" );
document.write( ".055+720-.04X=831<BR>\n" );
document.write( ".015X=831-720<BR>\n" );
document.write( ".015X=111<BR>\n" );
document.write( "X=111/.015<BR>\n" );
document.write( "X=7,400 AMOUNT INVESTED @ 5.5%.<BR>\n" );
document.write( "18,000-7,400=10,600 AMOUNT INVESTED @ 4%<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".055*7,400+.04*10,600=831<BR>\n" );
document.write( "407+424=831<BR>\n" );
document.write( "831=831 </SPAN>\n" );
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