Use the elimination process
Answer:
Original price was $50 x 0.20 = 10
original price $50 - 10 = $40 the sale price before sales tax
Step-by-step explanation:
hopefully it helps
Answer:A=X x=8
B=x X=9
C=x X=10
Step-by-step explanation:
Explain more are you trying to figure out how much the 8s are worth in the number