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OpenStudy (anonymous):
Regina wants to cover one wall of her room with wallpaper. The wall is 9 feet high and 15 feet wide. There is a doorway in the wall that is 3 feet wide and 7 feet tall. How many square feet of wallpaper will she need to buy ?
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OpenStudy (immings):
9x15 = 135 ft + (7x3) = 156ft needed
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