document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1160885>Question 1160885</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular billboard sign has a length that is four yards longer than twice its width, x If the area of the sign is 30 square yards, which equation could be used to find the dimensions in yards of the sign? </SPAN>\n" );
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document.write( "A rectangular billboard sign has a length that is four yards longer than twice its width, x If the area of the sign is 30 square yards, which equation could be used to find the dimensions in yards of the sign?\r<BR>\n" );
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document.write( "if a billboard sign length is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4yd ALIGN=MIDDLE  ALT=\"4yd\"   DISABLED_style= \"max-width:90%; height:auto;\" > longer than twice its width we have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=2W%2B4yd ALIGN=MIDDLE  ALT=\"L=2W%2B4yd\"   DISABLED_style= \"max-width:90%; height:auto;\" > .........eq.1\r<BR>\n" );
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document.write( "if its area is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30yd%5E2 ALIGN=MIDDLE  ALT=\"30yd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, we have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L%2AW=30yd%5E2 ALIGN=MIDDLE  ALT=\"L%2AW=30yd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >........eq.2\r<BR>\n" );
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document.write( "substitute <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L ALIGN=MIDDLE  ALT=\"L\"   DISABLED_style= \"max-width:90%; height:auto;\" > from eq.1 in eq.2\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282W%2B4yd%29%2AW=30yd%5E2 ALIGN=MIDDLE  ALT=\"%282W%2B4yd%29%2AW=30yd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >............solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W ALIGN=MIDDLE  ALT=\"W\"   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=2W%5E2%2B4yd%2AW=30yd%5E2 ALIGN=MIDDLE  ALT=\"2W%5E2%2B4yd%2AW=30yd%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=2W%5E2%2B4yd%2AW-30yd%5E2=0 ALIGN=MIDDLE  ALT=\"2W%5E2%2B4yd%2AW-30yd%5E2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >...simplify, divide by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   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=W%5E2%2B2yd%2AW-15yd%5E2=0 ALIGN=MIDDLE  ALT=\"W%5E2%2B2yd%2AW-15yd%5E2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >........ factor completely\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W%5E2-3yd%2AW%2B5yd%2AW-15yd%5E2=0 ALIGN=MIDDLE  ALT=\"W%5E2-3yd%2AW%2B5yd%2AW-15yd%5E2=0\"   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=%28%28W%5E2-3yd%2AW%29%2B%285yd%2AW-15yd%5E2%29%29=0 ALIGN=MIDDLE  ALT=\"%28%28W%5E2-3yd%2AW%29%2B%285yd%2AW-15yd%5E2%29%29=0\"   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=W%28W-3yd%29%2B5yd%28W-3yd%29=0 ALIGN=MIDDLE  ALT=\"W%28W-3yd%29%2B5yd%28W-3yd%29=0\"   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=%28W+-+3yd%29+%28W+%2B+5yd%29+=+0+=+0 ALIGN=MIDDLE  ALT=\"%28W+-+3yd%29+%28W+%2B+5yd%29+=+0+=+0\"   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=%28W+-+3yd%29+=+0 ALIGN=MIDDLE  ALT=\"%28W+-+3yd%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >-><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W+=+3yd ALIGN=MIDDLE  ALT=\"W+=+3yd\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28W+%2B5yd%29+=+0 ALIGN=MIDDLE  ALT=\"%28W+%2B5yd%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >-><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W+=+-5yd ALIGN=MIDDLE  ALT=\"W+=+-5yd\"   DISABLED_style= \"max-width:90%; height:auto;\" >->disregard negative solution\r<BR>\n" );
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document.write( "go  to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=2W%2B4yd ALIGN=MIDDLE  ALT=\"L=2W%2B4yd\"   DISABLED_style= \"max-width:90%; height:auto;\" > .........eq.1, substitute <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W ALIGN=MIDDLE  ALT=\"W\"   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=L=2%2A3yd%2B4yd ALIGN=MIDDLE  ALT=\"L=2%2A3yd%2B4yd\"   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=L=10yd ALIGN=MIDDLE  ALT=\"L=10yd\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( " so, the dimensions of the rectangular billboard sign are:\r<BR>\n" );
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document.write( "the length: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10yd ALIGN=MIDDLE  ALT=\"10yd\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "the width: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3yd ALIGN=MIDDLE  ALT=\"3yd\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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