A. tomato juice, 46 oz. can for $2.53 would = b. tomato juice, 6-pack of 10 oz. cans for $4.50 would = c. the best buy would be

Tomato juice, 46 oz. can for $2.53

Step-by-step explanation:

we will find cost of 1 oz of tomato juice in each case

option-A:

46 oz tomato juice = $2.53

so,

1 oz tomato juice = $0.055

option-B:

6-pack of 10 oz tomato juice = $4.50

so, total amount of juice is

60 oz tomato juice = $4.50

so,

1 oz tomato juice = $0.075

We should always go for cheapest rate

so, the best buy would be

Tomato juice, 46 oz. can for $2.53

(9-3)+18÷9

= 6+18÷9

= 6+2

= 8