Price of the sweatshirt = $34
First discount = 20% x $34 = 0.1 x 34 = $6.80
Price after discount = $34 - $3.40 = $27.20
Additional discount = 10% x $27.20 = $2.72
Price after additional discount = $27.20 - $2.72 = $24.48
Answer: FInal sale price = $24.48
