10 =- 1 4x 12 July 8, 2019 16 32 64 128 1 4x 12 1 2x 10 Paper towel wypall 10 1 4x 12 10 9 5x 3 1 4x 12 11 10 5x 3 1 4x 12 11 10 5x 2 1 4x 12 4 + 4 = 12 1 + 2 + 3 + 4 = 10 1 + 10 = 11
