document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=616279>Question 616279</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a toolroom 21 feet by 18 feet was enlarged to the dimensions of 24 feet by 20 feet.How many square feet of floor space was added? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #387589 by </B><A HREF=/tutors/aboutme.mpl?userid=dragonwalker><B>dragonwalker(73)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dragonwalker><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=387589\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Work out the area before and after by multiplying the length by the width for each room size.\r<BR>\n" );
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document.write( "So for the smaller room:\r<BR>\n" );
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document.write( "a = 21 x 18<BR>\n" );
document.write( "  = 378 sq ft\r<BR>\n" );
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document.write( "and for the larger room\r<BR>\n" );
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document.write( "A = 24 x 20<BR>\n" );
document.write( "  = 480 sq ft\r<BR>\n" );
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document.write( "So the difference is the area of the larger room minus the area of the smaller room:\r<BR>\n" );
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document.write( "Area difference = A - a<BR>\n" );
document.write( "                = 480 - 378<BR>\n" );
document.write( "                = 102 sq ft\r<BR>\n" );
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document.write( " </SPAN>\n" );
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