7 20 x 4 5 July 8, 2019 16 32 64 128 7 4 x )- 5 3x 20 4x 20 7 2 x 2 3 4 5 4 x 7 20 5x 3 2x 2 5x 20 7 x 4 7 x 4 13 x 5 20 7 8 x 4 5 divided by 7 20 X times 4 5 7 20 7 x 20 5 x 7 = 35