Answer:
$4.45
Explanation:
First, we try to find the slope of the table. We can do this by doing the following-

When we do this, we find that the slope (or the change in y / change in x) is equal to 5.27
Now we subtract this from the slope of the price of steak at Store B which is 9.72

You get 4.45 which is $4.45 or 4 dollars and 45 cents.