document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=878394>Question 878394</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have the problem <BR>\n" );
document.write( "a rectangular piece of paper is three times as long as it is wide. From each of its corners the square of 3 cm is cut out. The flaps at each corner are then turned up to form an open box.  The volume of the box is 189 cm³. Find the original dimensions of the piece of the paper. <BR>\n" );
document.write( "A) 2cm x 21 cm<BR>\n" );
document.write( "B) 4.6 cm x 13.8 cm<BR>\n" );
document.write( "C) 9 cm x 27 cm<BR>\n" );
document.write( "D) 25.8 cm x 77.4 cm \r<BR>\n" );
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document.write( "I'm not sure I am correct so far but this is what u have done <BR>\n" );
document.write( "L x w x h = V<BR>\n" );
document.write( "(3x)(x)(3) =189 cm³<BR>\n" );
document.write( "9x^2 = 89 cm³\r<BR>\n" );
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document.write( "I don't know what to do next or if that's right so far. Please help, thanks so much!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #529924 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=529924\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sheet is x by 3x<BR>\n" );
document.write( "---<BR>\n" );
document.write( "After it's cut, it's x-6 by 3x-6<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Vol = 3*(x-6)*(3x-6) = 189<BR>\n" );
document.write( "(x-6)*(x-2) = 21  (make it easier)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+8x+%2B+12+=+21 ALIGN=MIDDLE  ALT=\"x%5E2+-+8x+%2B+12+=+21\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+8x+-+9+=+0 ALIGN=MIDDLE  ALT=\"x%5E2+-+8x+-+9+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 9  (Ignore the -1 solution)<BR>\n" );
document.write( "--> 9 by 27 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );