Please help Find each unit price and tell which is the better buy.
1. 8.2 oz of toothpaste for $2.99 or 6.4 oz of toothpaste for $2.49
2. A 3 lb bag of apples for $2.99 or a 5 lb bag of apples for $4.99
3. 16 oz bottle of soda for $1.25 or 20 oz bottle of soda for $1.55
4. 3 dozen binder clips for $2.88; 72 binder clips for $5.40
5. Mavis rides the bus every day. She bought a bus pass good for the month of October for $38.75. How much was Mavis charged per day for the bus pass?