document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=352279>Question 352279</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A total of $7000 is invested:part at 10% and the remainder at 15%. How much is invested at each rate if the annual interest is $720? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #251796 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=251796\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .15x+.10(7,000-x)=720<BR>\n" );
document.write( ".15x+700-.10x=720<BR>\n" );
document.write( ".05x=720-700<BR>\n" );
document.write( ".05x=20<BR>\n" );
document.write( "x=20/.05<BR>\n" );
document.write( "x=400 amount invested @ 15%.<BR>\n" );
document.write( "7,000-400=6,600 amount invested @ 10%<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".15*400+.10*6,600=720<BR>\n" );
document.write( "60+660=720<BR>\n" );
document.write( "720=720<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );