document.write( "Question 704452: \r
\n" ); document.write( "\n" ); document.write( " A rectangle is 4 times as long as it is wide. The area is 196 square feet. What is the perimeter of the rectangle?
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Algebra.Com's Answer #434133 by checkley79(3341)\"\" \"About 
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PERIMETER=2L+2W
\n" ); document.write( "L=4W
\n" ); document.write( "196=2*4W+2W
\n" ); document.write( "196=8W+2W
\n" ); document.write( "196=10W
\n" ); document.write( "196/10=W
\n" ); document.write( "19.6=W ANS.
\n" ); document.write( "L=4*19.6
\n" ); document.write( "L=78.4 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "196=2*78.4+2*19.6
\n" ); document.write( "196=156.8+39.2
\n" ); document.write( "196=196
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