D 2 . d 2 . d 4 July 8, 2019 16 32 64 128 D 3 - d 2 - d 4 $ D 1 2 d 1 2 d 2 4 3 1 2 d 3 2 d 4 d Solve for d 2 5 d )= 2 4d d = Solve for d 3 1 2 d 3 2 d 4 2 4 - d