29%(dec form): 0.29 * 1 29%(hnd form): 29 * 1 or 100 * 29% 29% + 3 = 0.29 * 1 + 3 = 0.29 + 3 = 3.29 29% - 3 = 0.29 * 1 - 3 = 0.29 - 3 = -2.73 29% * 3 = (0.29 * 1) * 3 = 0.29 * 3 = 0.87 29% / 3 = 100 * 29% or 29 * 1 / 3 = 29 / 3 ≈ 9.66666666666