document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=157585>Question 157585</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Carol invested $12,000 for one year, part at 10% annual interest and the balance at 12% annual interest. After the one year she earned $1420 in interest. How much was invested 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 #116121 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=116121\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .12X+.10(12,000-X)=1,420<BR>\n" );
document.write( ".12X+1,200-.10X=1,420<BR>\n" );
document.write( ".02X=1,420-1,200<BR>\n" );
document.write( ".02X=220<BR>\n" );
document.write( "X=220/.02<BR>\n" );
document.write( "X=11,000 INVESTED @ 12%<BR>\n" );
document.write( "12,000-11,000=1,000 INVESTED @ 10%<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".12*11,000+.10*1,000=1.420<BR>\n" );
document.write( "1,320+100=1,420<BR>\n" );
document.write( "1,420=1,420 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );