document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=298980>Question 298980</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Each hour, a wood-harvesting machine cuts the same number of logs and places them<BR>\n" );
document.write( "on a pile. At 8 am, there are 13 logs on the pile. At 11 am, the pile has grown to 46 logs. How many logs will the pile contain at 6 pm?<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 #214975 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=214975\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Each hour, a wood-harvesting machine cuts the same number of logs and places them on a pile. <BR>\n" );
document.write( "At 8 am, there are 13 logs on the pile. <BR>\n" );
document.write( "At 11 am, the pile has grown to 46 logs. <BR>\n" );
document.write( "How many logs will the pile contain at 6 pm?<BR>\n" );
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document.write( "You have two points: (0,13), where 0 represents 8am,<BR>\n" );
document.write( "and (3,46), where 3 represents 11am.<BR>\n" );
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document.write( "Equation ?<BR>\n" );
document.write( "slope = (46-13)/(3-0) = 11<BR>\n" );
document.write( "intercept = 13<BR>\n" );
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document.write( "f(x) = 11x + 13 where x is the # of hours after 8am<BR>\n" );
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document.write( "How many logs will the pile contain at 6 pm?<BR>\n" );
document.write( "At 6pm, x = 10<BR>\n" );
document.write( "f(10) = 11*10 + 13<BR>\n" );
document.write( "f(10) = 126 (# of logs at 6pm)<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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