1. A store has notebooks worth $1.60. The store adds a 30% markup. How much is the markup?
2. Gabriela buys a basketball for $78 and a soccer ball for $32. She must pay 8.5% sales tax. What is the total amount she must pay?
3. Sharelle buys a new phone that is $144.60. It is on sale for 25% off. How much does she pay for the phone (not including tax)?
4. Edward buys a novel for $8.40 and a bookmark for $1.20 from a bookstore. The store is having a sale, and everything is 35% off! How much does Edward pay for both items (not including tax)?
5. Jamal sells sandwiches. He spends $2.70 per sandwich on ingredients and then adds a 110% markup. What is the selling price of one sandwich?
6. Elizabeth goes to a restaurant where her bill comes to $18.50. She leaves the server a 22% tip. What is the total cost of going to the restaurant?