ruth can read 15 pages in 30 minutes. she decides to create a table to keep track of her progress. from the data provided, at what ratio is the unit rate (constant of proportionality) represented pick 1 of these answer to answer the question (2, 60) (1,30)

(1/2, 15) (15, 30)

To find the ratio of the unit rate, we compare the number of pages read (15) to the time taken (30 minutes).

The ratio is 15 pages : 30 minutes, which can be simplified to 1 page : 2 minutes.

The correct answer is (1/2, 15).