document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1044076>Question 1044076</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A piece of wire, 360 cm long is used to make the twelve edges of a rectangular box in which the length is twice the breadth.\r<BR>\n" );
document.write( "\n" );
document.write( "Denoting the breadth of the box by x cm, show that the volume of the box, V cm^3 is given by V=180x^2-6x^3. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #659352 by </B><A HREF=/tutors/aboutme.mpl?userid=advanced_Learner><B>advanced_Learner(501)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=advanced_Learner><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=advanced_Learner><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=659352\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x be width then lenght is 2x<BR>\n" );
document.write( "area is A=x*2x=2x^2<BR>\n" );
document.write( "lenght is made up of 4 sides so 8x<BR>\n" );
document.write( "widht is made of 4 sides so 4x<BR>\n" );
document.write( "total is 8x+4x =12x while 360-12x is remainng height<BR>\n" );
document.write( "(360-12x)/(4)=90-3x is the height<BR>\n" );
document.write( "volume=area*height=(2x^2)(90-3x)<BR>\n" );
document.write( "180x^2-6x^3. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );