Quinn spent $16.49 for 3 magazines and 4 sheets of stickers. The magazines cost $3.99 each and the sales tax was $1.02. Quinn also used a coupon for $1.50 off her purchase. If each sheet of stickers had the same cost, how much did each sheet of stickers cost?
Jairo spent $40.18 on 3 music CDs. Each CD cost the same amount. The sales tax was $2.33. Jairo also used a coupon for $1.00 off his purchase. How much did each CD cost?