Answer:
33%
Explanation:
To start take the original price and divide it by the new sale price. $1.20/$0.80 = 0.66666. We can then round that answer to 0.67. if the new price is 67% of the original price we must then we know that 67% minus the 100% will give us the discount. 100% - 67% = 33%
Answer = 33%