The ratio of dye to pounds of clothing is constant. A worker develops the chart below to show the amount of dye needed for different amounts of clothing. Clothes Dyeing Weight of clothing (pounds) Cups of dye 21 3 42 9 84 12 105 15 For which weight of clothing is the ratio of weight to dye different from the other ratios? 21 pounds 42 pounds 84 pounds 105 pounds