There is a proportional relationship between the number of months a person has had a streaming movie subscription and the total amount of money they have paid for the subscription. The cost for 6 months is $47.94. The point (6,47.94) is shown on the graph below. A coordinate plane with the origin labeled “O”. The horizontal axis is labeled “time in months” and the numbers 0 through 22 are indicated. The vertical axis is labeled “cost in dollars” and the numbers 0 through 180, in increments of 10, are indicated. The point with coordinates 6 comma 47.94 is indicated.
What is the constant of proportionality in this relationship?