document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=418954>Question 418954</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \"Fold a sheet of paper in half.  You should have two layers.  Fold it in half again so that there are four layers.  Do this as many times as you can.  Make a table and record the number of folds and number of layers.\r<BR>\n" );
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document.write( "a.  As you fold the paper in half each time, what happens to the number of layers? \r<BR>\n" );
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document.write( "b.  Estimate the number of folds you would have to make before you have about the same number of layers as the number of sheets in this textbook (=361). \r<BR>\n" );
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document.write( "c.  Calculate the answer for 12b.  You may use a recursive routing, the graph or a table of an equation, or a trial-and-error method.\"\r<BR>\n" );
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document.write( "I would like to use a recursive routine. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #293057 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=293057\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a. As you fold the paper in half each time, what happens to the number of layers?<BR>\n" );
document.write( "It gets multiplied by 2.<BR>\n" );
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document.write( "b. Estimate the number of folds you would have to make before you have about the same number of layers as the number of sheets in this textbook (=361).<BR>\n" );
document.write( "2^0 = 1 page<BR>\n" );
document.write( "2^1 = 2 pages<BR>\n" );
document.write( "...<BR>\n" );
document.write( "2^x = 361<BR>\n" );
document.write( "xlog(2) = log(361)<BR>\n" );
document.write( "x is between 8 and 9<BR>\n" );
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document.write( "8 folds gives less than 361 pages<BR>\n" );
document.write( "9 folds gives more than 361 pages<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "c. Calculate the answer for 12b. You may use a recursive routing, the graph or a table of an equation, or a trial-and-error method.\" <BR>\n" );
document.write( "I would like to use a recursive routine.<BR>\n" );
document.write( " </SPAN>\n" );
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