document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39396>Question 39396</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Vern invested $11,000.  Part was invested at 15% and part at 13%.  If the total interest at the end of the year is $1,610, how much did he invest at 15%?\r<BR>\n" );
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document.write( "2 pts </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24843 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=24843\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x be the amount invested at 15%.<BR>\n" );
document.write( "Then 11000 - x is the amount invested at 13%.<BR>\n" );
document.write( "So we have the equation<BR>\n" );
document.write( "(.15)x + (.13)(11000 - x) = 1610<BR>\n" );
document.write( "Multiply all by 100 to clear decimals (makes it easier)<BR>\n" );
document.write( "15x + 13(11000 - x) = 161000<BR>\n" );
document.write( "15x + 143000 - 13x = 161000<BR>\n" );
document.write( "2x = 18000<BR>\n" );
document.write( "x = $9000, the amount at 15%<BR>\n" );
document.write( "11000 - x = $2000, the amount at 13% </SPAN>\n" );
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