document.write( "Question 63715: The width of a rectangle is one-third the length. The perimeter is 48cm. Find the length and width.
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Algebra.Com's Answer #44409 by checkley71(8403)\"\" \"About 
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W=L/3
\n" ); document.write( "P=2*L+2*W
\n" ); document.write( "48=2*L+2*(L/3)
\n" ); document.write( "48=2L+2L/3
\n" ); document.write( "48=(6L+2L)/3
\n" ); document.write( "48*3=8L
\n" ); document.write( "8L=144
\n" ); document.write( "L=144/8
\n" ); document.write( "L=18 SOLUTION . THEN
\n" ); document.write( "W=18/3
\n" ); document.write( "L=6 SOLUTION
\n" ); document.write( "PROOF
\n" ); document.write( "48=2*18+2*6
\n" ); document.write( "48=36=12
\n" ); document.write( "48=48
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