30% OFF
original price!
Zoe buys an oil painting during the sale. If the original price was $81.80, how much does Zoe pay?
Zoe pays 70% of the original price, which is equivalent to 100% - 30% = 70% of the original price.
So, Zoe pays $81.80 x 70% = $57.26.
Therefore, Zoe pays $57.26 for the oil painting.