Answer:
$60
Explanation:
You want the regular price of a dress that sold for $42 after a 30% discount.
Price
The price can be found from ...
price - 0.30×price = $42
price(1 -0.30) = $42
price(0.70) = $42
price = $42/0.70 = $60
The usual price of the dress was $60.
__
Additional comment
The amount of the discount was $60×0.30 = $18.
<95141404393>