document.write( "Question 288163: the length of a rectangle is 4in longer than its with.if the perimeter is 28in find its area \n" ); document.write( "

Algebra.Com's Answer #208841 by Deina(147) $\"\"$ $\"About$

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P = 2L + 2W = 28
\n" ); document.write( "L = W + 4
\n" ); document.write( " $\"+2%28W+%2B+4%29+%2B+2W+=+P++\"$
\n" ); document.write( " $\"+2W+%2B+8+%2B+2W+=+P++\"$
\n" ); document.write( " $\"+4W+%2B+8+=+28++\"$
\n" ); document.write( " $\"+4W+=+20+\"$
\n" ); document.write( " $\"+W+=+5+\"$ and $\"+L+=+cross%285+%2B+4%29+=+9+\"$
\n" ); document.write( "5 * 9 = 45 sq inches and bob's your uncle! \n" ); document.write( "

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