document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=301539>Question 301539</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I cant figure out how to plug in equations for the formula N=Ie^kt\r<BR>\n" );
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document.write( "For the problem-- There are currently 69 million cars in a certain country, increasing by .08% annually. How many years will it take for this country to reach 81 million cars? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #216209 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=216209\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I cant figure out how to plug in equations for the formula N=Ie^kt <BR>\n" );
document.write( "For the problem-- There are currently 69 million cars in a certain country, increasing by .08% annually. How many years will it take for this country to reach 81 million cars?<BR>\n" );
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document.write( "N(t) = I*e^(kt)<BR>\n" );
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document.write( "81 mil = 69 mil*e^(0.08t)<BR>\n" );
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document.write( "1.1739 = e^(0.08t)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Take the natural log:<BR>\n" );
document.write( "0.08t = ln(1.1739)<BR>\n" );
document.write( "t = 2.00 years<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "======================== </SPAN>\n" );
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