Answer:
a
Step-by-step explanation:
Determine the amount of sales she made that month
1/2x - 6 = 88....where x = the original price
1/2x = 88 + 6
1/2x = 94
x = 94 * 2/1
x = 188 <==
The formula of a slope:

Δy = 2
Δx = 1
Substitute:

<h3>Answer: 2</h3><h3 />
Other method.
The formula of a slope:

Find two points.
(0, 1) and (1, 3). Substitute:

<h3>Answer: 2</h3>