Sarah has a part-time job. She graphed the number of hours she worked and the amount of money she earned from working. Which sen
tence describes the rate at which the amount of money she earned changed? A. The amount she earned increased $1 for every 10 hours she worked. B. The amount she earned increased $10 for every 1 hour she worked. C. The amount she earned increased $20 for every 1 hour she worked. D. The amount she earned increased $5 for every 1 hour she worked.
