Answer:
use y=mx+b formula
Step-by-step explanation:
figure out what the "y" "m" and "x" is. then y= whatever X is + whatever B is.
Sale price = $60
Discount = 20%
Regular price = $60/0.8 = $75
Yes because,
8×1 = 8
8×2 = 16
8×3 = 24
8×4 = 32
8×5 = 40
So 40 is a multiple of 8
