document.write( "Question 349770: A rectangular playground has a perimeter of 128 yard. find its length if it is 31 yards wide. \n" ); document.write( "
Algebra.Com's Answer #249990 by checkley77(12844)\"\" \"About 
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2L+2W=128
\n" ); document.write( "2L+2*31=128
\n" ); document.write( "2L+62=128
\n" ); document.write( "2L=128-62
\n" ); document.write( "2L=66
\n" ); document.write( "L=66/2
\n" ); document.write( "L=33 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*33+2*31=128
\n" ); document.write( "66+62=128
\n" ); document.write( "128=128
\n" ); document.write( "
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