document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=68349>Question 68349</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mr.Thompson invests a principal of $8000; part at 8% per annum and the rest at 10% per annum. After one year, the total interest was $724. How much did Mr. Thompson invest 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 #48636 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=48636\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .10X+.08(8000-X)=724<BR>\n" );
document.write( ".10X+640-.08X=724<BR>\n" );
document.write( ".02X=724-640<BR>\n" );
document.write( ".02X=84<BR>\n" );
document.write( "X=84/.02<BR>\n" );
document.write( "X=4200 INVESTED @ 10%<BR>\n" );
document.write( "8000-4200=3800 INVESTED @ 8%<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "4200*.10+3800*.08=724<BR>\n" );
document.write( "420+304=724<BR>\n" );
document.write( "724=724<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );