The rate of change from 2015 to 2017 is -$250 per year.
Given that,
- In 2015, Ed spent $800
- In 2017, Ed spent $300
- We need to find the rate of change.
According to the scenario, computation of the given data are as follows,
Total change = $300 - $800
= -$500
Total years from 2015 to 2017 = 2 years
So rate of change = -$500 [tex]\div[/tex] 2
= - $250
Learn more : https://brainly.com/question/11833462
