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Your grandma wants to cover her living room with wallpaper. To know how much wallpaper to order, you need to find the surface area of her living room walls. If her living room is 15 ft by 13 ft and each wall is 8 ft high, how many square feet of wallpaper does she need to order? Explain using complete sentences and proper grammar.
First off lets calculate the required wallpaper for the two walls which have lengths 15 ft, 15*8*2=240 is the answer as 8 and there are 2 walls so we multiply by 2 then we calculate the other 2 walls with lengths 13 ft, 13*8*2=208 then we finally add them 240+208=448.
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