document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1187885>Question 1187885</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A tunnel throught mountain is for a four-lane highway is to have semi-ellitical opening. The total width of the highway is to be 14.64m, and the height of the opening is 4.78 metres.\r<BR>\n" );
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document.write( "¡ Aproximately how wide the opening be?<BR>\n" );
document.write( "¡¡ What will be the width of each lane if the barrier between the lanes is 0.6m? <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 #819065 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13203)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=819065\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "I will guess that the problem is not presented correctly.<br><BR>\n" );
document.write( "With the questions that are asked, the fact that the tunnel cross section is semi-elliptical is irrelevant....<br><BR>\n" );
document.write( "Furthermore, with only the given information, the two lanes closest to the edge of the tunnel will have zero height on their edges, which is absurd....<br><BR>\n" );
document.write( "Nevertheless... to answer the questions that are asked....<br><BR>\n" );
document.write( "i. The width of the tunnel is given: 14.64m.<br><BR>\n" );
document.write( "ii. With a total width of 14.64m, four lanes, and three barriers of 0.6m between lanes, the width available for the 4 lanes is 14.64-3(0.6) = 14.64-1.8 = 12.84m.  That makes the width of each lane 12.84/4 = 3.21m.<br><BR>\n" );
document.write( "Since the picture drawn by that response is nonsensical, I suggest you re-post the problem presenting the information clearly and correctly.<br><BR>\n" );
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