document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=899463>Question 899463</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Olive wants to invest $15,000 with the goal of earning 10% interest. She wants to put some of the money in an investment that has been earning 7% a year and the rest of the money in an investment that typically earns 11% a year. How much money should be invested at 11% interest for Olive to obtain her goal of an overall 10% interest? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #545432 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=545432\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y=15000,<BR>\n" );
document.write( "0.07*x+0.11*y=1500<BR>\n" );
document.write( "x=15000-y<BR>\n" );
document.write( "0.07*(15000-y)+0.11*y=1500<BR>\n" );
document.write( "1050.0-0.07y+0.11*y=1500<BR>\n" );
document.write( "0.04*y=450.0<BR>\n" );
document.write( "y=11250.0<BR>\n" );
document.write( "x=15000-y<BR>\n" );
document.write( "x=3750.0 y=11250.0<BR>\n" );
document.write( "check<BR>\n" );
document.write( "3750.0 +11250.0=15000<BR>\n" );
document.write( "0.07*x+0.11*y=1500<BR>\n" );
document.write( "0.07*3750.0+0.11*11250.0=1500<BR>\n" );
document.write( "262.5+1237.5=1500<BR>\n" );
document.write( "1500.0=1500<BR>\n" );
document.write( "ok </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );