document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=906555>Question 906555</A>: <I><SPAN STYLE=\"word-break: break-all;\">     Mrs.Santos invests P21,000 at 8% interest rate.How much more must he invest at 9 1/2% interest to have an annual income of 9% of his total investments? (answer is P42,000 show your solution) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549958 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=549958\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0.095*x+0.08*21000=0.09(21000+x)<BR>\n" );
document.write( "0.095*x+1680=1890+0.09x<BR>\n" );
document.write( "0.095x-0.09x=1890-1680<BR>\n" );
document.write( "0.005x=210<BR>\n" );
document.write( "x=42000.0  at 9.5% (3990.0) is added to 21000  at 8% (1680) to earn 9% of 63000.0 (5670.0)<BR>\n" );
document.write( "check\r<BR>\n" );
document.write( "\n" );
document.write( "0.095*42000.0+0.08*21000=0.09(21000+42000.0)<BR>\n" );
document.write( "3990.0+1680=0.09(63000.0)<BR>\n" );
document.write( "5670.0=5670.0<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );