document.write( "Question 775807: The length of a rectangle is 3 cm, times it's width. The perimeter is 64 cm. Find the dimensions of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #473157 by sofiyac(983)\"\" \"About 
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if width is x then length is 3x
\n" ); document.write( "perimeter means all sides added (or each side times two) so
\n" ); document.write( "2x+6x=64
\n" ); document.write( "8x=64
\n" ); document.write( "x=8 so the width is 8, then the length is 3*8=24
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