document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=671661>Question 671661</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My friend and I tried this word problem but we keep getting .01967 and not .029 like the answer should be.\r<BR>\n" );
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document.write( "we have to solve for k in...\r<BR>\n" );
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document.write( " the number of farms in a certain province has declined continually since 1950. in 1950, there were 92844 farms and in 1995 that number decreased to 24974\r<BR>\n" );
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document.write( "Assuming the number of farms decreased according to the exponential model, P(t)=Poe^-kt, find the value of K and write an exponential function that describes the number of farms after time t, in years, where t is the number of years since 1950\r<BR>\n" );
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document.write( "me and my friend tried\r<BR>\n" );
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document.write( "Ln(24974)/Ln(92844)= -45K<BR>\n" );
document.write( "divided by -45 and we go K=.01967\r<BR>\n" );
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document.write( "not .029, help?\r<BR>\n" );
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document.write( "thanks in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #417511 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=417511\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28t%29=Poe%5E%28-kt%29 ALIGN=MIDDLE  ALT=\"P%28t%29=Poe%5E%28-kt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P%280%29=92844e%5E%28-kt%29 ALIGN=MIDDLE  ALT=\"+P%280%29=92844e%5E%28-kt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%2845%29=92844e%5E%28-45k%29 ALIGN=MIDDLE  ALT=\"P%2845%29=92844e%5E%28-45k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24974=92844e%5E%28-45k%29 ALIGN=MIDDLE  ALT=\"24974=92844e%5E%28-45k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24974%2F92844+=e%5E%28-45k%29 ALIGN=MIDDLE  ALT=\"24974%2F92844+=e%5E%28-45k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%2824974%2F92844+%29+=+ln%28e%5E%28-45k%29%29 ALIGN=MIDDLE  ALT=\"ln%2824974%2F92844+%29+=+ln%28e%5E%28-45k%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "ln(24974/92844 ) = -45k.ln(e)\r<BR>\n" );
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document.write( "ln(24974/92844 ) = -45k\r<BR>\n" );
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document.write( "=0.02918<BR>\n" );
document.write( "My calc gives this answr </SPAN>\n" );
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