The table shows the amount of seaweed powder, s, and the amount of fish powder, f, a factory uses to make different quantities of fertilizer. amount of seaweed powder, s (in pounds) amount of fish powder, f (in pounds) 21.5 8.6 35.5 14.2 68.5 27.4 81.5 32.6 129.5 51.8 which equation represents the proportional relationship between the amount of seaweed powder and the amount of fish powder in the fertilizer? a. b. c. d.