X 3 7x 2 9x 5 July 8, 2019 16 32 64 128 X 4 5x 3 7x 2 29x 30 X 4 5x 3 7x 2 29x 30 0 X 4 7x 3 9x 2 27x 54 X 4 5x 3 9x 2 7x 2 5 x 7 = 35 3 x 3 = 9