Pls

determine the lower unit price.
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 af apples for $4.99
3. 16 oz bottle of soda for $1.25 or 20 oz bottle of soda for $1.55
4. 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?

so much again; )