document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1008130>Question 1008130</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The number of restaurants in a city that had 150 restaurants in 2002 is decreasing at a rate of 4% per year. i need to write an exponential function and then see how many restaurants will be there in 2020. I cant figure it out. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623907 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=623907\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We use the relationship<BR>\n" );
document.write( "A(t) = Ao*(1-r)^t<BR>\n" );
document.write( "so that when we plug in we get  (2020-2002 = 18 years)<BR>\n" );
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document.write( "A(2020) = 150*(.96)^18 = 71.9 or about 72 restaurants left </SPAN>\n" );
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