document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=162480>Question 162480</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of water are in a well that is 36 inches in diameter and 20 feet deep?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #119759 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=119759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> U.S. liquid gallon is legally defined as 231 cubic inches.<BR>\n" );
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document.write( "Convert the height to inches:<BR>\n" );
document.write( "20 feet = 20*12= 240 inches<BR>\n" );
document.write( "and,<BR>\n" );
document.write( "since diameter = 36 inches:<BR>\n" );
document.write( "radius = 1/2 (diameter) = 18 inches<BR>\n" );
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document.write( "area of bottom of well = (pi)r^2 = (pi)18^2 = 1017.87 square inches<BR>\n" );
document.write( "volume = \"area of bottom\" * height = 1017.87 * 240 = 244290.24 cubic inches<BR>\n" );
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document.write( "# of gals in well = \"volume of well\"/\"volume of 1 gal of water\"<BR>\n" );
document.write( "# of gals in well = 244290.24/231 = 1057.53 gallons\r<BR>\n" );
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