document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=211311>Question 211311</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321296443/algebrahomeworkh>College Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> If Fran invests $8200 at 6% per year, how much additional money must she invest at 8% to ensure that the interest she receives each year is 7% of the total investment. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #159687 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=159687\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .06*8,200+.08X=.07(8,200+X)<BR>\n" );
document.write( "492+.08X=574+.07X<BR>\n" );
document.write( ".08X-.07X=574-492<BR>\n" );
document.write( ".01X=82<BR>\n" );
document.write( "X=82/.01<BR>\n" );
document.write( "X=8,200 IS THE ADDITIONAL INVESTMENT NEEDED @ 8% TO GET THE 7% ON THE TOTAL INVESTMENT.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".06*8,200+.08*8,200=.07(8,200+8,200)<BR>\n" );
document.write( "492+656=.07*16,400<BR>\n" );
document.write( "1,148=1,148  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );