document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=353990>Question 353990</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how would you solve a problem such as:<BR>\n" );
document.write( "A rectangular piece of cardboard is made into an open box (that is, it has no top) by cutting a 2-inch square from each corner and turning up the sides. If the original piece of cardboard (before the corners are cut out) has an area of 216 square inches and the completed box has a volume of 224 cubic inches,<BR>\n" );
document.write( "determine the dimensions of the 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 #253039 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=253039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x * y = 216\r<BR>\n" );
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document.write( "2(x-4)(y-4) = 224 ___ (x-4)(y-4) = 112 ___ xy - 4x - 4y + 16 = 112\r<BR>\n" );
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document.write( "216 - 4x - 4y + 16 = 112 ___ 120 = 4x + 4y ___ 30 = x + y ___ 30 - x = y\r<BR>\n" );
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document.write( "x(30-x) = 216 ___ 0 = x^2 - 30x + 216\r<BR>\n" );
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document.write( "factoring ___ 0 = (x - 18)(x - 12) </SPAN>\n" );
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