document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=270272>Question 270272</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Roopa Patel won a prize for her work. 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" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #198105 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=198105\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .04x+.06*(x+3,000)=780<BR>\n" );
document.write( ".04x+.06x+180=780<BR>\n" );
document.write( ".10x=780-180<BR>\n" );
document.write( ".10x=600<BR>\n" );
document.write( "x=600/.10<BR>\n" );
document.write( "x=6,000 ans. for the amount invested @ 4%.<BR>\n" );
document.write( "6,000+3,000=9,000 ans. for the amount invested @ 6%.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".04*6,000+.06*9,000=780<BR>\n" );
document.write( "240+540=780<BR>\n" );
document.write( "780=780<BR>\n" );
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