Question

question 3 (2 points)
listen
using the same graph as from #1, what was the change in number of seals between 2009 and 2011?
decrease of 5 seals.
increase of 5 seals.
increase of 10 seals.
decrease of 10 seals.

Explanation:

Step1: Find seal count in 2009

From the graph, 2009 count = 40.

Step2: Find seal count in 2011

From the graph, 2011 count = 30.

Step3: Calculate change

Change = 2011 count - 2009 count = $30 - 40 = -10$.

Answer:

Decrease of 10 seals.