document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1210578>Question 1210578</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A standard 55 gallon drum is holding oil. A portion of the oil is removed.  A stick with inch measurements is placed in the drum.  The remaining level is 2 7/8 inches.  Determine amount (gallons) remaining in drum.\r<BR>\n" );
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document.write( "Check my calculations, please.\r<BR>\n" );
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document.write( "Dimensions:\r<BR>\n" );
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document.write( "Diameter;  22.5\"\r<BR>\n" );
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document.write( "Height; 33.5\"\r<BR>\n" );
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document.write( "Drum is cylindrical, and standing vertical.\r<BR>\n" );
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document.write( "Volume formula;  pi * r^2 * h.\r<BR>\n" );
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document.write( "3.1416 * 16.75 * 16.75 * 2 7/8 (2.875) =  2534.06 cu. in.\r<BR>\n" );
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document.write( "2534.06 / 231 = 10.969 = 11 gal.\r<BR>\n" );
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document.write( "Where am I correct ?    Answer given is less. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #853820 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39736)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=853820\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ....., t the formula relies on SQUARING the radius.  Notice,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2 ALIGN=MIDDLE  ALT=\"r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > in there.\r<BR>\n" );
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document.write( "To put in the number values directly, full drum volume in cubic inches should be\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283.14159%29%2822.5%2F2%29%5E2%2A33.5 ALIGN=MIDDLE  ALT=\"%283.14159%29%2822.5%2F2%29%5E2%2A33.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13319.86 ALIGN=MIDDLE  ALT=\"13319.86\"   DISABLED_style= \"max-width:90%; height:auto;\" > cubic inches, not rounding too much...\r<BR>\n" );
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document.write( "The level being down to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%267%2F8 ALIGN=MIDDLE  ALT=\"2%267%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" > inch,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13319.86%282.875%2F33.5%29 ALIGN=MIDDLE  ALT=\"13319.86%282.875%2F33.5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1143 ALIGN=MIDDLE  ALT=\"1143\"   DISABLED_style= \"max-width:90%; height:auto;\" > cubic inches.\r<BR>\n" );
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document.write( "You can look for the conversion to gallons.\r<BR>\n" );
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document.write( "about 4.95 gallons </SPAN>\n" );
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