Mrs Hamilton's commision 175000 x 0.04 (4%) = 7000 Mrs Hamilton received 4725 7000 x 0.01 = 70 (1%) 4725 / 70 = 67.5% She received 67.5% of her total commission
David's Computer = C Working 1080 x 0.8 (80%) =864 864 x 1.08 (108%) = 933.12 The computer cost $933.12 dollars Suzanne's sweater = B $40 / 100 = 0.4 (1%) 40 - 25 = 15 (difference) 15 / 0.4 = 37.5% Suzanne received a discount of 37.5%
