document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=84145>Question 84145</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jon invested $21,000, part at 18% and part at 8%. If the total interest at the end of the year is $1,980, how much did he invest at 18%.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #60586 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=60586\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .18X+.08(21000-X)=1980<BR>\n" );
document.write( ".18X+1680-.08X=1980<BR>\n" );
document.write( ".1X=1980-1680<BR>\n" );
document.write( ".1X=300<BR>\n" );
document.write( "X=300/.1<BR>\n" );
document.write( "X=3000 AMOUNT INVESTED @ 18%.<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( ".18*3000+.08(21000-3000)=1980<BR>\n" );
document.write( "540+.08(18000)=1980<BR>\n" );
document.write( "540+1440=1980<BR>\n" );
document.write( "1980=1980 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );