document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=364336>Question 364336</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Roberto invested some money at 6%, and then invested $4000 more than twice this amount at 12%.<BR>\n" );
document.write( "His total annual income from the two investments was $3480. How much was invested at 12%? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #259834 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=259834\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> $x  @ 6 % <BR>\n" );
document.write( "2x+4000 @  12%<BR>\n" );
document.write( "interest = 3480<BR>\n" );
document.write( "...<BR>\n" );
document.write( "0.06x+0.12(2x+4000) = 3480<BR>\n" );
document.write( "multiply by 100<BR>\n" );
document.write( "6x+12(2x+4000)=348000<BR>\n" );
document.write( "6x+24x+48000=348000<BR>\n" );
document.write( "30x = 300,000<BR>\n" );
document.write( "x= 30,000 investment @ 6%<BR>\n" );
document.write( "2x+4000= 60,000+4000= $64,000 @12%<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );