document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=325153>Question 325153</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Roberto invested some money at 7%, and then invested $2000 more than twice this amount at 9%. His total annual income from the two investments was $2930. How much was invested at 9%? <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 #232928 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=232928\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .09(2x+2,000)+.07x=2,930<BR>\n" );
document.write( ".18x+180+.07x=2,930<BR>\n" );
document.write( ".25x=2,930-180<BR>\n" );
document.write( ".25x=2,750<BR>\n" );
document.write( "x=2,750/.25<BR>\n" );
document.write( "x=11,000 ans. for the amount invested @ 7%.<BR>\n" );
document.write( "2*11,00+2,000<BR>\n" );
document.write( "22,000+2,000=24,000 ans. for the amount invested @ 9%.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".09*24,000+.07*11,000=2,930<BR>\n" );
document.write( "2,160+770=2,930<BR>\n" );
document.write( "2,930=2,930<BR>\n" );
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