Question 846494
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Hi,
<img src='http://img585.imageshack.us/img585/479/rectangle.png' border='0'/></a>
P = {{{2*L + 2*w = 42m}}}   0r ****   L + w = 21m
the length of a rectangle is <u>5 meters more</u> than the width{{{ highlight_green(x)}}}
   (x+5m) + x = 21m
         2x + 5m = 21m
          2x = 16m
           x = 8m, the width and the length is 13m
CHECKING our answer***
 21m + 8m =  =21m     0r   26m+ 16m = 42m
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