document.write( "Question 236345: The width of a rectangle is 3 in. less than its length. The perimeter is 24 in. Find the length and width of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #174028 by checkley77(12844)\"\" \"About 
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W=L-3
\n" ); document.write( "2L+2W=24
\n" ); document.write( "2L+2(L-3)=24
\n" ); document.write( "2L+2L-6=24
\n" ); document.write( "4L=24+6
\n" ); document.write( "4L=30
\n" ); document.write( "L=30/4
\n" ); document.write( "L=7.5 IN. ANS. FOR THE LENGTH.
\n" ); document.write( "W=7.5-3=4.5 IN. ANS. FOR THE WIDTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*7.5+2*4.5=24
\n" ); document.write( "15+9=24
\n" ); document.write( "24=24
\n" ); document.write( "
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