ruth can read 15 pages in 30 minutes she decides to create s table to keep track of her progress from the data provided at what radio is the (constant proportionality) represented?

Time (hours). Pages read
1/2. 15
1. 30
1 1/2. 45
2. 60

(( 1/2, 15)
(2, 60)
(1, 30)
(15, 30)

The constant proportionality is represented by "15 pages in 30 minutes." In other words, for every 30 minutes, Ruth reads 15 pages.