Jaylene4452 Jaylene4452 29-01-2024 Mathematics contestada The quantities x and y are proportional. Given the data points (x, y): (11, 1⅔), (21, 2⅓), (45, 5), find the constant of proportionality (r) in the equation y = rx. a. r = ⅓ b. r = ¼ c. r = ⅕ d. r = ½
