document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=295708>Question 295708</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the population of a city is estimated to be at 432000 after 2 years.if population growth is 20% per annum,what is the current population </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #213134 by </B><A HREF=/tutors/aboutme.mpl?userid=CharlesG2><B>CharlesG2(834)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CharlesG2><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=213134\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the population of a city is estimated to be at 432000 after 2 years.if population growth is 20% per annum,what is the current population\r<BR>\n" );
document.write( "\n" );
document.write( "current * 1.20 going forward (1.20 is 120% is 6/5)<BR>\n" );
document.write( "current * 5/6 going backward (the reciprocal of 120%)<BR>\n" );
document.write( "If we are going forward 2 years:<BR>\n" );
document.write( "432000<BR>\n" );
document.write( "432000 * 1.20 (20% growth) = 518400 (end of year 1)<BR>\n" );
document.write( "518400 * 1.20 = 622080 (end of year 2)<BR>\n" );
document.write( "If we are going backward 2 years:<BR>\n" );
document.write( "432000<BR>\n" );
document.write( "432000 * 5/6 = 360000 (1 year prior)<BR>\n" );
document.write( "360000 * 5/6 = 300000 (2 years prior)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );