document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=356969>Question 356969</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Roopa Patel won a prize for her sculpture.  She invested part of the money in a certificate of deposit at 4% and $3000 more than that amount in a bond paying 6%.  Her annual interest income was $780.  How much did Roopa invest at each rate? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #254922 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=254922\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Roopa Patel won a prize for her sculpture.  She invested part of the money in a certificate of deposit at 4% and $3000 more than that amount in a bond paying 6%.  Her annual interest income was $780.  How much did Roopa invest at each rate?<BR>\n" );
document.write( "...<BR>\n" );
document.write( "$ x in CD @ 4%<BR>\n" );
document.write( "$(x+3000) in bond @ 6 %<BR>\n" );
document.write( "total interest income in 1 year was $780<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Interest equation<BR>\n" );
document.write( "0.04x+0.06x(x+3000)= 780<BR>\n" );
document.write( "0.04x+0.06x+180 = 780<BR>\n" );
document.write( "0.1x = 780-180<BR>\n" );
document.write( "0.1x=600<BR>\n" );
document.write( "x=600/0.1<BR>\n" );
document.write( "x= $6000 @ 4%<BR>\n" );
document.write( "$3000 more @6%<BR>\n" );
document.write( "6000+3000=$9000 @6%<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );