Question

Had 63 dollars on week one. Went down to 7 dollars in 5 weeks. What is the rate of change?

Answer 1

It goes DOWN 1/45 dollars in a week

Explanation:

It went down 7, out of 63 dollars, meaning it went down 7/63, which is -1/9. We divide it by 5, because there were 5 weeks, and we get -1/45 dollars