document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1177545>Question 1177545</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The floor of a shed has an area of 70 square feet. The floor is in the shape of a rectangle whose length is 4 feet less than twice the width. Find the length and the width of the floor of the shed. </SPAN>\n" );
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document.write( "The floor of a shed has an area of 70 square feet.<BR>\n" );
document.write( "let width be w<BR>\n" );
document.write( "length = 2w-4\r<BR>\n" );
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document.write( "Area = L * W\r<BR>\n" );
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document.write( "w(2w-4) =70\r<BR>\n" );
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document.write( "2w^2-4w-70 =0\r<BR>\n" );
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document.write( "/2<BR>\n" );
document.write( "w^2 -2w-35=0<BR>\n" );
document.write( "(w-7)(w+5) =0\r<BR>\n" );
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document.write( "w=7 or -5\r<BR>\n" );
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document.write( "taking positive value w=7 width = 7ft<BR>\n" );
document.write( "Length = 2w-4 = 10 length = 10 ft\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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