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Considering no gaps or overlapping paper, the area of left over wrapping paper is 380 square inchesHow to determine the amount of square inches left?The given parameters are:Dimension of box = 8 inches by 9 inches by 10 inchesDimension of Rectangular-shaped wrapping paper = 2 feet by 3 feet.Start by calculating the surface area of the box This is represented asSurface area = 2(lw + lh + wh)So, we haveBox = 2 * (8 * 9 + 8 * 10 + 9 * 10) = 484 square inchesNext, calculate the surface area of the wrapping paperThis is represented asWrapper = lwSo, we haveWrapper = 2 * 3 = 6 square feetConvert area from square feet to square inchesWrapper = 864 square inchesThe amount of square inches left is the difference between the areas calculated aboveThis is represented asAmount left = Wrapper - BoxSo, we haveAmount left = 864 square inches - 484 square inchesEvaulateAmount left = 380 square inchesHence, the amount left is 380 square inchesRead more about surface areas athttps://brainly.com/question/76387#SPJ1