Answer:
$47.75
Explanation:
$original = ($paid - tax) + 20% discount
Kaylie gave $40.11 in total. This includes the sales tax, which is added on after the discount.
Subtract the tax from the price she paid.
40.11 - 1.91 = 38.20
80% of the original price is 38.20 since it was discounted 20%. 100% is the original price. (100% - 20% = 80%)
80% as a decimal is 80%/100 = 0.8
($original)(0.8) = 38.20
$original = 38.20/0.8
$original = 47.75
The original price of the sweater is $47.75.