document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108319>Question 108319</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The U.S. population in 1990 was approximately 250 million, and the average growth rate for the past 30 years gives a doubling time of 66 years. The formula is P(in millions)=250 * 2 (y-1990/66)\r<BR>\n" );
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document.write( "What will the population of the united states be in 2025 if this growth continues?\r<BR>\n" );
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document.write( "Please help I have no idea how to get this started. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #78953 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=78953\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The U.S. population in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1990 ALIGN=MIDDLE  ALT=\"1990\"   DISABLED_style= \"max-width:90%; height:auto;\" > was approximately <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=250 ALIGN=MIDDLE  ALT=\"250\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=million ALIGN=MIDDLE  ALT=\"million\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and the average growth rate for the past <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30 ALIGN=MIDDLE  ALT=\"30\"   DISABLED_style= \"max-width:90%; height:auto;\" > years gives a doubling time of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=66 ALIGN=MIDDLE  ALT=\"66\"   DISABLED_style= \"max-width:90%; height:auto;\" > years. The formula is:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+%28in-+millions%29+=+250+%2A+2%28y-1990%29%2F66 ALIGN=MIDDLE  ALT=\"P+%28in-+millions%29+=+250+%2A+2%28y-1990%29%2F66\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "What will the population of the United States be in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2025 ALIGN=MIDDLE  ALT=\"2025\"   DISABLED_style= \"max-width:90%; height:auto;\" > if this growth rate continues? \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=250%2A2%282025-1990%29%2F66 ALIGN=MIDDLE  ALT=\"P=250%2A2%282025-1990%29%2F66\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=250%2A2%2835%2F66%29 ALIGN=MIDDLE  ALT=\"P=250%2A2%2835%2F66%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >….divide <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=66 ALIGN=MIDDLE  ALT=\"66\"   DISABLED_style= \"max-width:90%; height:auto;\" > by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+250%2A%2835%2F33%29 ALIGN=MIDDLE  ALT=\"P+=+250%2A%2835%2F33%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=250%2A1.06 ALIGN=MIDDLE  ALT=\"P=250%2A1.06\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=265-million ALIGN=MIDDLE  ALT=\"P=265-million\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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