document.write( "Question 1068783: A rectangle is three times as long as it is wide. The perimeter is 224 feet. Find the dimensions \n" ); document.write( "
Algebra.Com's Answer #684033 by addingup(3677)\"\" \"About 
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2L+2W = Perimeter
\n" ); document.write( "L = 3W substitute for L above:
\n" ); document.write( "2(3W)+2W = 224
\n" ); document.write( "6W+2W = 224
\n" ); document.write( "8W = 224
\n" ); document.write( "W = 28
\n" ); document.write( "and
\n" ); document.write( "L = 3(28) = 84
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