document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1024378>Question 1024378</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are currently 73 million cars in a certaint country increasing by 1.7% annually how many years will it take for this country to reach 91 million cars? Round to the nearest year </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #639826 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=639826\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 73 * 1.017^N = 91    < note, an increase of 1.7% is the same as multiplying by 1.017\r<BR>\n" );
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document.write( "1.017^N = 91/73 or 1.2466\r<BR>\n" );
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document.write( "log of both sides\r<BR>\n" );
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document.write( "log 1.017^N = log 1.2466\r<BR>\n" );
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document.write( "rearrange to\r<BR>\n" );
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document.write( "N log 1.017 = log 1.2466\r<BR>\n" );
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document.write( "N= log 1.2466/log 1.017 \r<BR>\n" );
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document.write( "N= 13.075\r<BR>\n" );
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document.write( "Ask your teacher if you round down to nearest integer, or up to 14, the year sales actually exceeded 91 M  </SPAN>\n" );
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