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?

Question

Time (hours) | Pages read
1/2 | 15
1 | 30
1 1/2 | 45
2 | 60
A. (2, 60)
B. (1, 30)
C. (1/2, 15)
D. (15, 30)

Answer 1

C. (1/2, 15)