Question

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.

Answer 1

You must have a typo in the first sentence. Please correct and I'll try to help you.

Answer 2

There is no typo, that how the question is

Answer 3

Then it can't be answered. We don't know the regular price of the dress.

Answer 4

may be the question is wrong, forget it.