Hi
Let x be the price of the dress in shop B
The price of the dress in shop A ($280) is 12% more than x
From this equation you can get the value of x
Shop A sells a dress for $280. This is 12% more than the price of a similar dress in shop B.
(a) Find the price of the dress in Shop B.
(b) During a sale, both shops offered an equal percentage discount on the
dress. Doris bought the dress in Shop B and found that she paid
$22.80 less than the discounted price in Shop A. What was the
percentage discount?