8 5 x )- 20 2x July 8, 2019 16 32 64 128 5x 8 5 x 20 )=- 2x 18 6 X 8 20 2x 5 22.5 2x 1 5 x 8 20 2 x 2 5 5 x 8/20 8 x 5 / 2