document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=78866>Question 78866</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Greta is making a cube with a surface area of 24 square feet.\r<BR>\n" );
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document.write( "If Greta triples the dimensions of the cube, what will the new surface area be? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #56578 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=56578\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We know the surface area of a cube to be\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=6x%5E2 ALIGN=MIDDLE  ALT=\"S=6x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >      (since its base*height*number of faces)\r<BR>\n" );
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document.write( "Now plug in 24 into the original equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24=6x%5E2 ALIGN=MIDDLE  ALT=\"24=6x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So lets solve for x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2=4 ALIGN=MIDDLE  ALT=\"x%5E2=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 6\r<BR>\n" );
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document.write( "<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;\" > Take the square root of both sides\r<BR>\n" );
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document.write( "So our original dimensions are 2 feet by 2 feet\r<BR>\n" );
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document.write( "Now if we triple the original dimensions we get\r<BR>\n" );
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document.write( "2*3=6\r<BR>\n" );
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document.write( "So plug 6 into x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=6%286%29%5E2 ALIGN=MIDDLE  ALT=\"S=6%286%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=6%2A36 ALIGN=MIDDLE  ALT=\"S=6%2A36\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=216 ALIGN=MIDDLE  ALT=\"S=216\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So the new surface area is 216 sq ft </SPAN>\n" );
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