Answer:
The correct option will be: b. One lap around the mall is equal to about 2,425 steps.
Explanation:
Here, we will just find the slope of the line representing Debi’s data. For that, we will take any two data from the table in form of point like

Lets take two points as
and

Formula for finding the slope is:
, where
and
are two given points.
Here,

So, plugging these values into the above formula, we will get......

That means, one lap around the mall is equal to about 2,425 steps.