Jo saw a dress regularly priced at 78%. It was on sale at a discount of 30%. Find the amount of discount and the sale price.
4 answers
You must have a typo in the first sentence. Please correct and I'll try to help you.
There is no typo, that how the question is
Then it can't be answered. We don't know the regular price of the dress.
may be the question is wrong, forget it.