document.write( "Question 494347: The length of a rectangle is 3 cm greater
\n" ); document.write( "than its width.The perimeter is 24 cm. Find the
\n" ); document.write( "dimensions of the rectangle.
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Algebra.Com's Answer #335681 by Maths68(1474)\"\" \"About 
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Given
\n" ); document.write( "Length = l =W + 3
\n" ); document.write( "Perimeter = 24
\n" ); document.write( "Width = W = ?\r
\n" ); document.write( "\n" ); document.write( "Perimeter of a rectangle = 2 length + 2 width
\n" ); document.write( "P = 2*l + 2*w
\n" ); document.write( "24=2*(w+3)+ 2w
\n" ); document.write( "24=2w+6+2w
\n" ); document.write( "24-6=4w
\n" ); document.write( "18=4w
\n" ); document.write( "w=18/4
\n" ); document.write( "w=9/2
\n" ); document.write( "w=4.5\r
\n" ); document.write( "\n" ); document.write( "l=w+3
\n" ); document.write( "put the value of w in above equation
\n" ); document.write( "l=4.5+3
\n" ); document.write( "l=7.5\r
\n" ); document.write( "\n" ); document.write( "Dimensions of rectangle\r
\n" ); document.write( "\n" ); document.write( "length = 7.5cm, width=4.5cm, Perimeter=24cm,
\n" ); document.write( "Area of rectangle =w*l=7.5*4.5=33.75cm^2
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