document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136254>Question 136254</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Colin invested $32,000, part at 8% and part at 12%.  If the total interest at the end of the year is $3,160, how much did he 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 #99828 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=99828\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .12x+.08(32,000-x)=3,160<BR>\n" );
document.write( ".12x+2,560-.08x=3,160<BR>\n" );
document.write( ".04x=3,160-2,560<BR>\n" );
document.write( ".04x=600<BR>\n" );
document.write( "x=600/.04<BR>\n" );
document.write( "x=15,000 invested @ 12%.<BR>\n" );
document.write( "32,000-15,000=17,000 invested @ 8%.<BR>\n" );
document.write( "proof<BR>\n" );
document.write( ".12*15,000+.08*17,000=3,160<BR>\n" );
document.write( "1,800+1,360=3,160<BR>\n" );
document.write( "3,160=3,160<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );