document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=564726>Question 564726</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a box with a square base and no top is to be made from a square piece of cardboard by cutting 4-in. squares from each corner and folding up the sides. the box is to hold 100 in.(cubed). how big a piece of cardboard is needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #365454 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=365454\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let the side of the square cardboard be x\r<BR>\n" );
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document.write( "4 in corners are to be cut\r<BR>\n" );
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document.write( "the dimensions of base will be (x-8) \r<BR>\n" );
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document.write( "Volume of Box = L*W*H\r<BR>\n" );
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document.write( "100=(x-8)(x-8)*4\r<BR>\n" );
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document.write( "/4<BR>\n" );
document.write( "25=(x-8)^2<BR>\n" );
document.write( "25=x^2-16x+64<BR>\n" );
document.write( "x^2-16x+39=0\r<BR>\n" );
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document.write( "x^2-13x-3x+39=0<BR>\n" );
document.write( "x(x-13)-3(x-13)=0<BR>\n" );
document.write( "(x-13(x-3)=0\r<BR>\n" );
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document.write( "x=13 OR 3\r<BR>\n" );
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document.write( "3 is not possible<BR>\n" );
document.write( "so 13 in is the length of side of carboard\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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