document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1060496>Question 1060496</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A concrete pipe has length 10 feet, outer diameter 4 feet and thickness 3 inches.  To the nearest 100 pounds, how much does it weigh?  (Concrete weighs 150 lb/ft3.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #675428 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=675428\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A concrete pipe has length 10 feet, outer diameter 4 feet and thickness 3 inches.  To the nearest 100 pounds, how much does it weigh?  (Concrete weighs 150 lb/ft3.)<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "For a cylinder:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Vol+=+pi%2Ar%5E2%2Ah ALIGN=MIDDLE  ALT=\"Vol+=+pi%2Ar%5E2%2Ah\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "h = 120 inches<BR>\n" );
document.write( "---<BR>\n" );
document.write( "find the volume of the outside cylinder: r = 24 inches<BR>\n" );
document.write( "Subtract the volume of the inside cylinder: r = 18 inches<BR>\n" );
document.write( "--> Vol in cubic inches.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Multiply volume by density.<BR>\n" );
document.write( "1 cu ft = 12*12*12 = 1728 cu inches<BR>\n" );
document.write( "150 pounds/cu ft = 150/1728 pounds/cu inch<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );