document.write( "Question 497478: the length of a rectangle is 3 cm greater than its width. the perimeter is 24 cm. what are the dimensions
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Algebra.Com's Answer #336804 by cleomenius(959)\"\" \"About 
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l = x + 3
\n" ); document.write( "w = x
\n" ); document.write( "2(x) + 2(x + 3) = 24
\n" ); document.write( "4x + 6 = 24
\n" ); document.write( "4x = 18 cm.
\n" ); document.write( "x = 4.5 cm. This is the width.
\n" ); document.write( "3 + 4.5 = 7.5 cm. This is the length.
\n" ); document.write( "2(4.5) + 2(7.5) = 24 cm.
\n" ); document.write( "This does check.
\n" ); document.write( "Cleomenius.\r
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