document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=604411>Question 604411</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The outside measurements of a rectangular frame for a picture are 30 inches by 40 inches. The area of the rectangular picture inside the frame is 936 inches. Find the width of the frame that surrounds the picture.<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 #381215 by </B><A HREF=/tutors/aboutme.mpl?userid=alicealc><B>alicealc(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=alicealc><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=381215\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> assume that the frame has width of x inches<BR>\n" );
document.write( "Picture's width = 30 - 2x (x on both sides)<BR>\n" );
document.write( "Picture's length = 40 - 2x (x on both sides)\r<BR>\n" );
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document.write( "(30 - 2x)*(40 - 2x) = 936<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1200+-+60x+-+80x+%2B+4x%5E2+=+936 ALIGN=MIDDLE  ALT=\"1200+-+60x+-+80x+%2B+4x%5E2+=+936\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E2+-+140x+%2B+1200+=+936 ALIGN=MIDDLE  ALT=\"4x%5E2+-+140x+%2B+1200+=+936\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E2+-+140x+%2B+1200+-+936+=+0 ALIGN=MIDDLE  ALT=\"4x%5E2+-+140x+%2B+1200+-+936+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E2+-+140x+%2B+264+=+0 ALIGN=MIDDLE  ALT=\"4x%5E2+-+140x+%2B+264+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(divide all by 4)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+35x+%2B+66+=+0 ALIGN=MIDDLE  ALT=\"x%5E2+-+35x+%2B+66+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(x - 33)*(x - 2) = 0<BR>\n" );
document.write( "x - 33 = 0 or x - 2 = 0<BR>\n" );
document.write( "x = 33 or x = 2\r<BR>\n" );
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document.write( "because the width of the frame can't be 33 (the picture's width and length will be negative if x = 33), then we take x = 2\r<BR>\n" );
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document.write( "so, the width of the frame that surrounds the picture is 2 inches<BR>\n" );
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