Answer: Elisa
Step-by-step explanation: the first one did 8 withdraws the second one did 5 withdraws
(divide the total by the amount withdrawn each time)
Add together the values to get the total cost
Then divide the discount by the total cost to find the percentage
(Updated - look at comments)
Slope: 1.5
Work: I used the slope formula method which is y2 - y1/ x2 - x1. After plugging it in, the new equation is 4 - (-2) / 10 - 6. After subtraction, I had gotten 6/4. And when you divide 6/4, you get 1.5
I hope this helps. :)
