document.write( "Question 665680: The length of a rectangular banner is 5 feet longer than its width. If the area is 66 square feet, find the dimensions. \n" ); document.write( "

Algebra.Com's Answer #414005 by ReadingBoosters(3246) $\"\"$ $\"About$

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a = (l)(w) = 66
\n" ); document.write( "l = w + 5
\n" ); document.write( "...
\n" ); document.write( "Substitute l into the area equation
\n" ); document.write( "(w+5)(w) = 66
\n" ); document.write( "w^2 + 5w - 66 = 0
\n" ); document.write( "(w+11 )(w-6)
\n" ); document.write( "w = -11 (width cannot be negative)
\n" ); document.write( " $\"highlight%28width+=+6%29+\"$ ft
\n" ); document.write( "l = 66/6 = $\"highlight%28length=11%29\"$ ft
\n" ); document.write( "...
\n" ); document.write( "Check $\"cartoon%28%0D%0A6+%2B+5%2C%0D%0A11%29\"$
\n" ); document.write( ".....................
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