document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=209399>Question 209399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with the following quetion : A firefighter spraying water on a fire stood on the middle of the ladder. When the smoke became less thick the firefighter moved up 4 rungs. However it got too hot, so the firefighter backed down 6 rungs. Later the firefighter went up 7 rungs and stayed until the fire was out. Then the firefighter climbed the remaining 4 rungs and entered the building. How many rungs did the ladder have ?\r<BR>\n" );
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document.write( "I did try to work out this problem using a diagram, but im not sure if the answer is right.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #158326 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=158326\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  I need help with the following quetion : A firefighter spraying water on a fire stood on the middle of the ladder. When the smoke became less thick the firefighter moved up 4 rungs. However it got too hot, so the firefighter backed down 6 rungs. Later the firefighter went up 7 rungs and stayed until the fire was out. Then the firefighter climbed the remaining 4 rungs and entered the building. How many rungs did the ladder have ? <BR>\n" );
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document.write( "start at rung \"h\" which is half way up the ladder<BR>\n" );
document.write( "Then Add 4; then subtract 6, so he is at h-2<BR>\n" );
document.write( "Then Add 7 ; then add 4, so he is at h-2+11 = h+9.<BR>\n" );
document.write( "If that is the top of the ladder(?), the bottom<BR>\n" );
document.write( "of the ladder is at h-9 so there are 18 + 1 = 19 rungs<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "Reply to stanbon@comcast.net<BR>\n" );
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