document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=234322>Question 234322</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The volume of a box must be 315 cubic meter. The length of the box is to be 7 meters and the height is to be 4 meters more than the width. Find the width of the box<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172810 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=172810\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> volume=l*w*h<BR>\n" );
document.write( "315=7*w*(w+4)<BR>\n" );
document.write( "315=7w(w+4)<BR>\n" );
document.write( "315=7w^2+28w<BR>\n" );
document.write( "7w^2+28w-315=0<BR>\n" );
document.write( "7(w^2+4w-45)=0<BR>\n" );
document.write( "7(w+9)(w-5)=0<BR>\n" );
document.write( "w-5=0<BR>\n" );
document.write( "w=5 ans. for the width.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "315=7*5(5+4)<BR>\n" );
document.write( "315=35*9<BR>\n" );
document.write( "315=315 </SPAN>\n" );
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