document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190688>Question 190688</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mike invested $7000 for one year. He invested part of it at 8% and the rest at 12%. At the end of the year he earned $764 in interest. 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 #143187 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=143187\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .12x+.08(7000-x)=764<BR>\n" );
document.write( ".12x+560-.08x=764<BR>\n" );
document.write( ".04x=764-560<BR>\n" );
document.write( ".04x=204<BR>\n" );
document.write( "x=204/.04<BR>\n" );
document.write( "x=$5,100 is the amount invested @ 12%.<BR>\n" );
document.write( "7,000-5,100=$1,900 is the amounr invested @ 8%.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".12*5,100+.08*1,900=764<BR>\n" );
document.write( "612+152=764<BR>\n" );
document.write( "764=764\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );