document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206940>Question 206940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mrs Jones invests $4000 at 10% annual return and $6000 at 12% annual return. How much should she invest at 15% return so that her total annual return is 13% of the total amount she has invested?<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 #156447 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=156447\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mrs Jones invests $4000 at 10% annual return and $6000 at 12% annual return. How much should she invest at 15% return so that her total annual return is 13% of the total amount she has invested?<BR>\n" );
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document.write( "Interest Equation: 0.10(4000)+ 0.12(6000) + 0.15x = 0.13(10,000+x)<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "40000 + 72000 + 15x = 130000+ 13x<BR>\n" );
document.write( "2x = 18000<BR>\n" );
document.write( "x = $9000<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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