document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=70904>Question 70904</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/003054288x/algebrahomeworkh>Algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A banker invested a portion of $10,000 at 5% interest per year and the remainder at 4% interest per year. If the banker recieved $470 in interest after one year, how much was invested 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 #50667 by </B><A HREF=/tutors/aboutme.mpl?userid=mathman409><B>mathman409(67)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathman409><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=50667\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=investment in 5% interest account       y=investment in 4% interest account\r<BR>\n" );
document.write( "\n" );
document.write( "x+y=10000<BR>\n" );
document.write( "5%x+4%y=470<BR>\n" );
document.write( "100(5%x+4%y)=47000<BR>\n" );
document.write( "  5x+4y=47000<BR>\n" );
document.write( " -<BR>\n" );
document.write( "  4x+4y=40000<BR>\n" );
document.write( "x=7000<BR>\n" );
document.write( "y=3000\r<BR>\n" );
document.write( "\n" );
document.write( "CHECK<BR>\n" );
document.write( "7000+3000=10000<BR>\n" );
document.write( "5%*7000+4%*3000=470<BR>\n" );
document.write( "350+120=470<BR>\n" );
document.write( "470=470<BR>\n" );
document.write( "YYYYYAAAAAAYYYYY!!!!!!!!!! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );