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19 August, 20:35

Shae is covering 3 walls in her bedroom with wallpaper. The measurement of each wall is 12ft x14 ft a roll of wallpaper covers 42 square feet. How many rolls should Shae purchase

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  1. 19 August, 21:03
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    1 wall is 12x14 so that's 168 square feet

    it's 3 walls so 3x168 is 504

    each thing of wallpaper covers 42 square feet so divide 504 by 42 (and if you have a fraction/remainder, round up)

    504/42 is 12 though so you don't need to round, the answer is just 12
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