document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1029169>Question 1029169</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use quadratic formula and a calculator to solve. Round decimal approximations to the nearest hundredth. \r<BR>\n" );
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document.write( "A rectangular piece of cardboard is made into a box by cutting 3 inches squares from each corner and then folding the cardboard up. The length of the cardboard box is 3 inches more than its width. If the volume of the box is 540 inches^3, what are the dimensions of the original piece of cardboard? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #644223 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=644223\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "                     Number                    Revision\r\n" );
document.write( "Box height             3                         3\r\n" );
document.write( "Base length            L-2*3                     L-6\r\n" );
document.write( "Base width             w-2*3                     w-6\r\n" );
document.write( "Length description     L-2*3=3+(w-2*3)          L-6=w-3\r\n" );
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document.write( "volume is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%28L-6%29%28w-6%29=540 ALIGN=MIDDLE  ALT=\"3%28L-6%29%28w-6%29=540\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Use the description's relation between L and w to substitute for one of them.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L-6=w-3 ALIGN=MIDDLE  ALT=\"L-6=w-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=w-3%2B6 ALIGN=MIDDLE  ALT=\"L=w-3%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=w%2B3 ALIGN=MIDDLE  ALT=\"L=w%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" >---------*  You will use this again further down to finish.<BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%28w%2B3-6%29%28w-6%29=540 ALIGN=MIDDLE  ALT=\"3%28w%2B3-6%29%28w-6%29=540\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%28w-3%29%28w-6%29=540 ALIGN=MIDDLE  ALT=\"3%28w-3%29%28w-6%29=540\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w-3%29%28w-6%29=540%2F3 ALIGN=MIDDLE  ALT=\"%28w-3%29%28w-6%29=540%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w-3%29%28w-6%29=9%2A2%2A10 ALIGN=MIDDLE  ALT=\"%28w-3%29%28w-6%29=9%2A2%2A10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w-3%29%28w-6%29=180 ALIGN=MIDDLE  ALT=\"%28w-3%29%28w-6%29=180\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%5E2-9w%2B18-180=0 ALIGN=MIDDLE  ALT=\"w%5E2-9w%2B18-180=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%5E2-9w-162=0 ALIGN=MIDDLE  ALT=\"w%5E2-9w-162=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "General solution formula for quadratic equation:<BR>\n" );
document.write( "Discriminant, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=81%2B4%2A162=729=27%5E2 ALIGN=MIDDLE  ALT=\"81%2B4%2A162=729=27%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%289%2B27%29%2F2 ALIGN=MIDDLE  ALT=\"w=%289%2B27%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w=18%29 ALIGN=MIDDLE  ALT=\"highlight%28w=18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Find from that, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28L=21%29 ALIGN=MIDDLE  ALT=\"highlight%28L=21%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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