document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1093888>Question 1093888</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an executive invests $21,000, some at 7% and the rest at 4% annual interests. If he receives an annual return of $1,320, how much is invested at each rate?<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 #708517 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=708517\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0.07x + 0.04(21,000-x) = 1320<BR>\n" );
document.write( "0.07x + 840-0.04x = 1320<BR>\n" );
document.write( "0.03x = 480 <BR>\n" );
document.write( "x = 16,000 this is the amount at 7%<BR>\n" );
document.write( "The rest: 21,000-16,000 = 5,000 this is the amount at 4% <BR>\n" );
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