Answer:

Explanation:
Regular price of a pair of shoes = $

Discount offered = 20%
Amount of discount offered = 20% of $

Discounted price = Regular price - Amount of discount
Discounted price = $
- 20% of $
= 80% of $
=

Now, it is given that there is a sales tax of 7% as well on the price.
Sales tax is applied on the discounted price.
Therefore, sales tax = 7% of
Final Price after applying the sales tax =
+ 7% of


Therefore, the expression to represent the final price of the pair of shoes:
