Answer:
4
Step-by-step explanation:
Answer:
c for plato users;)
Step-by-step explanation:
If the sale was for 30% off, then she paid 70% of the regular price
100%-30%=70% or 0.70
72*0.70=$50.40
Answer= $50.40
X ∈ (real numbers symbol not in brackets) : 0<x<17.89 and 18.61<x
