document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=516249>Question 516249</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I made it through 25 other questions but this one stumped me: A teacher has a choice of two investment plans: an insured fund that has an average of 11% interest per year, or a riskier investment that has an average 13% return. If the same amount invested at the higher rate would generate an extra $100 per year, how much does the teacher have to invest? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #344312 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=344312\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A teacher has a choice of two investment plans: an insured fund that has an average of 11% interest per year, or a riskier investment that has an average 13% return. If the same amount invested at the higher rate would generate an extra $100 per year, how much does the teacher have to invest?\r<BR>\n" );
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document.write( "13%x-11%x=100<BR>\n" );
document.write( "multiply by 100\r<BR>\n" );
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document.write( "13x-11x=100*100<BR>\n" );
document.write( "2x=10,000<BR>\n" );
document.write( "x=5000 </SPAN>\n" );
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