document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=227801>Question 227801</A>: <I><SPAN STYLE=\"word-break: break-all;\"> HEY could you please help me answer this question?\r<BR>\n" );
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document.write( "the land area in hectres (A) destroyed by a bushfire (t) hours after it started is expressed by <BR>\n" );
document.write( "A = 60log(250t+1)\r<BR>\n" );
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document.write( "how long does it take to burn out 250 hectares?\r<BR>\n" );
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document.write( "thank you <BR>\n" );
document.write( "viki<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #169240 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=169240\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since you were given:<BR>\n" );
document.write( "A = 60log(250t+1) <BR>\n" );
document.write( "And, A is 250 hectares<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Then, you have:<BR>\n" );
document.write( "250 = 60log(250t+1)<BR>\n" );
document.write( "Solving for t:<BR>\n" );
document.write( "250 = 60log(250t+1)<BR>\n" );
document.write( "250/60 = log(250t+1)<BR>\n" );
document.write( "250/60 = log(250t+1)<BR>\n" );
document.write( "4.1667 = log(250t+1)<BR>\n" );
document.write( "10^4.1667 = 250t+1<BR>\n" );
document.write( "14677.993 = 250t+1<BR>\n" );
document.write( "14676.993 = 250t<BR>\n" );
document.write( "58.71 hours = t<BR>\n" );
document.write( "or<BR>\n" );
document.write( "2 days 10 hours 42 minutes 29 seconds<BR>\n" );
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