document.write( "Question 901769: A rectangle is 3 times as long as it is wide. The perimeter is 16 feet. Find the dimensions. \n" ); document.write( "
Algebra.Com's Answer #546945 by harpazo(655)\"\" \"About 
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P = 2l + 2w\r
\n" ); document.write( "\n" ); document.write( "16 = 2(3x) + 2x\r
\n" ); document.write( "\n" ); document.write( "16 = 6x + 2x\r
\n" ); document.write( "\n" ); document.write( "16 = 8x\r
\n" ); document.write( "\n" ); document.write( "16/8 = x\r
\n" ); document.write( "\n" ); document.write( "2 = x\r
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