document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=38954>Question 38954</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One sum is invested at 5% and three times as much at 8%. The total annual interest is $580. How large is each sum?<BR>\n" );
document.write( "(this is not from a text) I have a problem with both answers.<BR>\n" );
document.write( "Please help, Thank You. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24399 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=24399\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x be the amount invested at 5%.<BR>\n" );
document.write( "Thus 3x was invested at 8%.<BR>\n" );
document.write( "The total interest  is $580.<BR>\n" );
document.write( "Here's the setup:<BR>\n" );
document.write( "(.05)x + (.08)(3x) = 580<BR>\n" );
document.write( "multiply by 100 to clear decimals<BR>\n" );
document.write( "5x + 24x = 58000<BR>\n" );
document.write( "29x = 58000<BR>\n" );
document.write( "x = $2000 at 5%<BR>\n" );
document.write( "3x = $6000 at 8%  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );