7x 4 2x 3 x 5 1 July 8, 2019 16 32 64 128 4 7x 15 1 x 3 4 2x 1 5 7x 4 2x 5 3x 11 7x 5 2x 4 8 15 3 x 4x 2x x 4 3x 5 14 7x 3 X 5 2x 4 7x 3 2x 2 4x 15 5 x 7 = 35 2x 7
