The graph below shows the distance that an animal has walked based on the number of hours it has been walking. Which describes a situation
with the same rate of change?*

A. Mrs. Hester grades 3 papers every 10 minutes.

B. Juliette pays $20 every 6 pens she purchases.

C. Mark rides in a taxi that charges $1 every 3 miles.

D. Kaci pays $0.20 per piece of gum at the candy store.