Answer:
umm person above ?
Step-by-step explanation:
The x-coordinate of the midpoint will be the average of the two given x-coordinates, and the y-coordinate will be the average of the two given y-coordinates.
This can be written as
midpoint =

,
where the given points are (x1, y1) and x2, y2).
In the problem, you have (4, -2) and (-8, 6).
The midpoint will be
7.
Discounted price X
————————— = ———
Original Price 100
45 x
—- = —-
72 100
Cross multiply
45 times 100= 4500
72 times x= 72x
72x=4500
Divide
4500/72= 62.5%