document.write( "Question 341742: the length of a rectangle is twice the width. the area is 392 yd^2. find the length and the width \n" ); document.write( "
Algebra.Com's Answer #244677 by checkley77(12844)\"\" \"About 
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L=2W
\n" ); document.write( "A=LW
\n" ); document.write( "392=2W*W
\n" ); document.write( "2W^2=392
\n" ); document.write( "W^2=392/2
\n" ); document.write( "W^2=196
\n" ); document.write( "W=SQRT196
\n" ); document.write( "W=14 ANS. FOR THE WIDTH.
\n" ); document.write( "L=2*14=28 ANS. FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "392=28*14
\n" ); document.write( "392=292
\n" ); document.write( "
\n" );