My bad if I read it wrong but I got 4.17
Coordinates of R (4,10)
•————•————•
(?,?) (5,9) (6,8)
You have to see how the x & y changed from point M to S and do the same thing for point R to M
M S
(5,9) >>>> (6,8) (x+1, y-1)
R M
(4, 10) >>>> (5,9) (x+1, y-1)
Answer:
301.57
Step-by-step explanation:
I think this is it. I divided the total before taxes by the percentage and added what I got from the division to the total before taxes.