Given parameters:
Original selling price = $84
Discounted Selling price = $72
Unknown:
Percentage discount = ?
Solution:
To find the percentage discount;
Discount = Original selling price - Discounted selling price
= $84 - $72
= $12
Now,
Percentage discount = [tex]\frac{12}{84} x 100[/tex] = 14.3%
The percentage discount is 14.3%