document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=388836>Question 388836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Im not exactly sure how to solve this:\r<BR>\n" );
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document.write( "A rectangular sheet of aluminum cardboard is 5 inches longer than it is wide. if squares of 1 inch are cut from each corner and the sides are folded up to form a rectangular tray,\r<BR>\n" );
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document.write( "a)write an equation for the volume of the tray<BR>\n" );
document.write( "b) if the volume is 30 cubic inches, find the dimensions of the cardboard to the nearest tenth. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275257 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=275257\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You end up subtracting 2 in. from each side.<BR>\n" );
document.write( "Call the length of the sheet <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The width of the sheet is then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-+5 ALIGN=MIDDLE  ALT=\"x+-+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "After cutting out the 1 inch squares from the <BR>\n" );
document.write( "corners, the length is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-+2 ALIGN=MIDDLE  ALT=\"x+-+2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the <BR>\n" );
document.write( "width is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-+7 ALIGN=MIDDLE  ALT=\"x+-+7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V+=+1%2A%28x+-+2%29%2A%28x+-+7%29 ALIGN=MIDDLE  ALT=\"V+=+1%2A%28x+-+2%29%2A%28x+-+7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V+=+x%5E2+-+9x+%2B+14 ALIGN=MIDDLE  ALT=\"V+=+x%5E2+-+9x+%2B+14\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And, if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V+=+30 ALIGN=MIDDLE  ALT=\"V+=+30\"   DISABLED_style= \"max-width:90%; height:auto;\" > in.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30+=+x%5E2+-+9x+%2B+14 ALIGN=MIDDLE  ALT=\"30+=+x%5E2+-+9x+%2B+14\"   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+-+9x+-+16+=+0 ALIGN=MIDDLE  ALT=\"x%5E2+-+9x+-+16+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Using the quadratic equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+1 ALIGN=MIDDLE  ALT=\"a+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+-9 ALIGN=MIDDLE  ALT=\"b+=+-9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c+=+-16 ALIGN=MIDDLE  ALT=\"c+=+-16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-%28-9%29+%2B-+sqrt%28+%28-9%29%5E2-4%2A1%2A%28-16%29+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-%28-9%29+%2B-+sqrt%28+%28-9%29%5E2-4%2A1%2A%28-16%29+%29%29%2F%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%289+%2B-+sqrt%28+81+%2B+64+%29%29%2F2+ ALIGN=MIDDLE  ALT=\"x+=+%289+%2B-+sqrt%28+81+%2B+64+%29%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%289+%2B-+sqrt%28+145+%29%29%2F2+ ALIGN=MIDDLE  ALT=\"x+=+%289+%2B-+sqrt%28+145+%29%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%289+%2B+12.042%29%2F2 ALIGN=MIDDLE  ALT=\"x+=+%289+%2B+12.042%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+21.042%2F2 ALIGN=MIDDLE  ALT=\"x+=+21.042%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+10.52 ALIGN=MIDDLE  ALT=\"x+=+10.52\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-+5+=+5.52 ALIGN=MIDDLE  ALT=\"x+-+5+=+5.52\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-+2+=+8.52 ALIGN=MIDDLE  ALT=\"x+-+2+=+8.52\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-+7+=+3.52 ALIGN=MIDDLE  ALT=\"x+-+7+=+3.52\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The dimensions of the cardboard are 5.52 x 10.52 in2<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "The volume would be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2A8.52%2A3.52+=+29.99 ALIGN=MIDDLE  ALT=\"1%2A8.52%2A3.52+=+29.99\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This looks close enough </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );