document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=664145>Question 664145</A>: <I><SPAN STYLE=\"word-break: break-all;\"> .need equation so I can solve the problem\r<BR>\n" );
document.write( "\n" );
document.write( "math problem<BR>\n" );
document.write( "?Arlene invested $29,000 for one year,part at 9% and part at 10%.If she earned a total interest of $2,760,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 #413142 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=413142\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Define variables<BR>\n" );
document.write( "x = $ at 9%<BR>\n" );
document.write( "y = $ at 10%<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Given<BR>\n" );
document.write( "x + y = $29000, which is the same as x = 29000-y<BR>\n" );
document.write( ".09x + .1y = 2760<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Substitute x into the second equation<BR>\n" );
document.write( ".09(29000-y) + .1y = 2760<BR>\n" );
document.write( "Distribute the .09<BR>\n" );
document.write( "2610 - .09y + .1y = 2760<BR>\n" );
document.write( "Combine like terms<BR>\n" );
document.write( ".01y = 2760 - 2610<BR>\n" );
document.write( ".01y = 150<BR>\n" );
document.write( "y = 15,000 at 10%<BR>\n" );
document.write( "x = 29000-15000= $14,000 at .09%<BR>\n" );
document.write( "...<BR>\n" );
document.write( "check<BR>\n" );
document.write( ".09(14000)+.1(15000)= 1260 + 1500 = 2760<BR>\n" );
document.write( ".........................<BR>\n" );
document.write( "Delighted to help.<BR>\n" );
document.write( "-Reading Boosters<BR>\n" );
document.write( "Wanting for others what we want for ourselves.<BR>\n" );
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