rebeccamajewski50 rebeccamajewski50 Today at 6:00 AM Mathematics Answered 10 POINTS! What is the constant of proportionality in this proportional relationship? x 2 4 6 8 y 5/6 1 2/3 2 1/2 3 1/3 A. 12 B. 5 C. 12/5 D. 5/12