document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40532>Question 40532</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The US population in 1990 was approx. 250 million, and the average growth rate for the past 30 years gives a doubling time of 66 years. The formula for this is <BR>\n" );
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document.write( "P (in millions) = 250 x 2^[(y-1990)/66]\r<BR>\n" );
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document.write( "What will the population of the US be in 2025 if this growth continues. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25980 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=25980\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P (in millions) = 250 x 2^[(y-1990)/66]\r<BR>\n" );
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document.write( "What will the population of the US be in 2025 if this growth continues.\r<BR>\n" );
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document.write( "P(in millions)= (250)2^[(2025-1990)/66]<BR>\n" );
document.write( "=(250)2^[35/66]<BR>\n" );
document.write( "=361.06<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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