document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=896643>Question 896643</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangle is <BR>\n" );
document.write( "5<BR>\n" );
document.write( " <BR>\n" );
document.write( "cm<BR>\n" );
document.write( " longer than its width. <BR>\n" );
document.write( "If the perimeter of the rectangle is <BR>\n" );
document.write( "46<BR>\n" );
document.write( " <BR>\n" );
document.write( "cm<BR>\n" );
document.write( " , find its area. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #543677 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=543677\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Easiest to find the length and width first, and then use them for area.\r<BR>\n" );
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document.write( "w for width, L for length, p for perimeter.<BR>\n" );
document.write( "Assume p is known, k is known, and w and L unknowns.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=w%2Bk ALIGN=MIDDLE  ALT=\"L=w%2Bk\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p=2w%2B2L ALIGN=MIDDLE  ALT=\"p=2w%2B2L\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "k=5 and p=46;<BR>\n" );
document.write( "but staying completely in symbols, you first want to solve for w and L.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2w%2B2L=p ALIGN=MIDDLE  ALT=\"2w%2B2L=p\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2w%2B2%28w%2Bk%29=p ALIGN=MIDDLE  ALT=\"2w%2B2%28w%2Bk%29=p\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2w%2B2w%2B2k=p ALIGN=MIDDLE  ALT=\"2w%2B2w%2B2k=p\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4w%2B2k=p ALIGN=MIDDLE  ALT=\"4w%2B2k=p\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4w=p-2k ALIGN=MIDDLE  ALT=\"4w=p-2k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w=%28p-2k%29%2F4%29 ALIGN=MIDDLE  ALT=\"highlight%28w=%28p-2k%29%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=w%2Bk ALIGN=MIDDLE  ALT=\"L=w%2Bk\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=%28p-2k%29%2F4%2Bk ALIGN=MIDDLE  ALT=\"L=%28p-2k%29%2F4%2Bk\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=%28p-2k%29%2F4%2B4k%2F4 ALIGN=MIDDLE  ALT=\"L=%28p-2k%29%2F4%2B4k%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=%28%28p-2k%29%2B4k%29%2F4 ALIGN=MIDDLE  ALT=\"L=%28%28p-2k%29%2B4k%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=%28p-2k%2B4k%29%2F4 ALIGN=MIDDLE  ALT=\"L=%28p-2k%2B4k%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28L=%28p%2B2k%29%2F4%29 ALIGN=MIDDLE  ALT=\"highlight%28L=%28p%2B2k%29%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Spend some time checking how those formulas look for w and L.  See how they resemble each other but are not the same.\r<BR>\n" );
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document.write( "Remember, the question was, FIND AREA.\r<BR>\n" );
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document.write( "This means find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28w%2AL%29 ALIGN=MIDDLE  ALT=\"highlight_green%28w%2AL%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Using the formulas for L and w,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=wL=%28%28p-2k%29%2F4%29%2A%28%28p%2B2k%29%2F4%29 ALIGN=MIDDLE  ALT=\"wL=%28%28p-2k%29%2F4%29%2A%28%28p%2B2k%29%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28p%5E2-%282k%29%5E2%29%2F16 ALIGN=MIDDLE  ALT=\"%28p%5E2-%282k%29%5E2%29%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28p%5E2-4k%5E2%29%2F16%29 ALIGN=MIDDLE  ALT=\"highlight%28%28p%5E2-4k%5E2%29%2F16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----The AREA, in symbolic form.<BR>\n" );
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document.write( "Now, just substitute the given values from the description to find value for the area.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2846%5E2-4%2A5%5E2%29%2F16 ALIGN=MIDDLE  ALT=\"%2846%5E2-4%2A5%5E2%29%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2016%2F16 ALIGN=MIDDLE  ALT=\"2016%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28126%29 ALIGN=MIDDLE  ALT=\"highlight%28126%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, square centimeters </SPAN>\n" );
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