Grade 6 math

A rectangular tablecloth is 2.5 m long. Trim is to be sewn around the perimeter of the cloth but there is not enough. What decrase in width will make the perimeter 0.4m shorter if the length remains the same?

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asked by vana
  1. 0.4 / 2 = 0.2.
    the 2 would represent the the width and length

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