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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |