Question

to figure out how many vacation days she had left to use, kiera looked over her old calendars to figure out how many days of vacation she had taken each year. vacation days taken by kiera graph with year on x - axis (2012,2013,2014,2015,2016) and vacation days on y - axis (0 - 30) according to the graph, what was the rate of change between 2012 and 2016?

Explanation:

Step1: Identify data points

2012: 20 days; 2016: 30 days

Step2: Calculate rate of change

Rate = $\frac{30 - 20}{2016 - 2012} = \frac{10}{4} = 2.5$

Answer:

2.5 days per year