document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=202883>Question 202883</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the year 2006 it was discovered that global population was increasing at the annual rate of 1.8%. In what year will the global population double? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #153046 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=153046\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 00): In the year 2006 it was discovered that global population was increasing at the annual rate of 1.8%. In what year will the global population double?<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "A(t) = A(0)(1+ 0.018)^t<BR>\n" );
document.write( "2A(0) = A(0)(1.018)^t<BR>\n" );
document.write( "2 = (1.018)^t<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "t*log(1.018) = log(2)<BR>\n" );
document.write( "t = log(2)/log(1.018)<BR>\n" );
document.write( "t = 38.85 years<BR>\n" );
document.write( "----------------------------------<BR>\n" );
document.write( "2006 + 38.85 = 2044.85<BR>\n" );
document.write( "Rounded up you get the year 2045<BR>\n" );
document.write( "=========================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );