document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127661>Question 1127661</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the dimensions of the box described.<BR>\n" );
document.write( "The length is 4 inches more than the width. The width is 3 inches more than the height. The volume is 480 cubic inches.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #744142 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=744142\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The solution by tutor FrankM is probably right in saying that the solution is found more easily with guess-and check than with formal algebra.<br><BR>\n" );
document.write( "But I would do the guess-and-check work differently than what he shows.<br><BR>\n" );
document.write( "Without expanding the expression, the equation for the volume of the box is<br><BR>\n" );
document.write( "x(x+3)(x+7)=480<br><BR>\n" );
document.write( "Since the product is 480, one of the factors must be 5, or perhaps a multiple of 5.<br><BR>\n" );
document.write( "So try x = 5, and it works.<br><BR>\n" );
document.write( "So the dimensions are 5, 8, and 12. </SPAN>\n" );
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