document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=91561>Question 91561</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A TOTAL OF 27,000 IS INVESTED , PART OF IT AT 12% PART OF IT AT 13%. THE TOTAL INTEREST AFTER A YEAR IS 3,385 . HOW MUCH 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 #66498 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=66498\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A TOTAL OF 27,000 IS INVESTED , PART OF IT AT 12% PART OF IT AT 13%. THE TOTAL INTEREST AFTER A YEAR IS 3,385 . HOW MUCH WAS INVESTED AT EACH RATE?<BR>\n" );
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document.write( "Let amount invested at 12% be \"x\"; amount of interest is 0.12x dollars<BR>\n" );
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document.write( "Amount invested at 13% is 27000-x; amount of int is 0.13(27000-x)=3510-0.13x dollars<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "interest + interest = 3385<BR>\n" );
document.write( "0.12x + 3510-0.13x = 3385<BR>\n" );
document.write( "-0.01x = -125<BR>\n" );
document.write( "x = $12,500 (amount invested at 12%)<BR>\n" );
document.write( "27000-12500 = $14,500 (amount invested at 13%)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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