To find 80% off of $120, you can follow these steps:
Calculate what 20% of $120 is by dividing 120 by 5:
20% of $120 = ($120 ÷ 5) = $24
Subtract the 20% amount from the original price to find the 80% discount:
80% off of $120 = $120 - $24 = $96
Therefore, an 80% discount on a $120 item would be $96.