document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=31778>Question 31778</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321227573/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this interest problem!  I'm desperate and thankyou upfront<BR>\n" );
document.write( "A realtor borrowed $90,000to develop some property.  He was able to borrow part of the money at 11.5% interest and the rest at 12%.  The annual interest on the two loans amounts to $10,525.  How much was borrowed 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 #18371 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=18371\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let amount invested at 11.5% be \"x\".<BR>\n" );
document.write( "Then amount invested at 12% must be \"90000-x\"<BR>\n" );
document.write( "Interest on 11.5% investment is 11.5%(x)=0.115x<BR>\n" );
document.write( "Interest on 12% investment is 12%(90000-x)=10800-0.12x<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( " Interest + Interest = $10525<BR>\n" );
document.write( "0.115x+10800-0.12x=10525<BR>\n" );
document.write( "Mutiply by 1000 to get rid of the decimals:<BR>\n" );
document.write( "115x + 10800000=120x=10525000<BR>\n" );
document.write( "-5x=-275000<BR>\n" );
document.write( "x=$55,000 (amount invested at 11.5%)<BR>\n" );
document.write( "90,000-55,000= $35,000 (amount invested at 12%)\r<BR>\n" );
document.write( "\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );