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13 November, 11:26

Mr. Okutani is decorating a bulletin board that is 5 dm high and 7 dm wide. He has 2 packages of border that each contain 125 cm of border. does he have enough border to go all around the outside of the bulletin board?

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  1. 13 November, 11:37
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    Since you only have dm, and not dam or dkm, I will assume that you mean decimeter.

    1 decimeter is 10 centimeters.

    The perimeter is 24.

    That becomes 240 cm.

    He has 2 x 125 cm.

    He has 250 cm of border.

    250>240.

    He has enough of border to go all around.
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