There are four drinks on sale: 20 ounce cup for $4.00, 12 ounce cup for $3.00, 10 ounce cup for $2.50, 8 ounce cup for $2.40. Which drink is the most expensive price per ounce?

Rationale

The 8 ounce cup is the most expensive price per ounce.

To determine the price per ounce, one must divide the price of each drink by the number of ounces it contains. The 8 ounce cup, priced at $2.40, results in a per-ounce cost of $0.30, which is higher than any of the other options.

A (12 ounce cup) YOUR ANSWER

The 12 ounce cup costs $3.00, which divided by 12 ounces equals $0.25 per ounce. While this is more expensive than the 20 ounce cup, it is less expensive than the 8 ounce cup.

B (8 ounce cup) CORRECT

The 8 ounce cup costs $2.40, which divided by 8 ounces equals $0.30 per ounce. This is the highest cost per ounce among all the options, making it the most expensive choice.

C (10 ounce cup) YOUR ANSWER

The 10 ounce cup costs $2.50, which divided by 10 ounces equals $0.25 per ounce. While this is more expensive than the 20 ounce cup, it is less expensive than both the 12 ounce and 8 ounce cups.

D (20 ounce cup) YOUR ANSWER

The 20 ounce cup costs $4.00, which divided by 20 ounces equals $0.20 per ounce. This is the least expensive cost per ounce among all the options.

Conclusion

When comparing the cost per ounce of different drinks, it's important to calculate the price per unit, which in this case is the price per ounce. The 8 ounce cup, priced at $0.30 per ounce, is the most expensive option amongst all the choices. The 12 ounce and 10 ounce cups are both priced at $0.25 per ounce, while the 20 ounce cup is the least expensive at $0.20 per ounce.

There are four drinks on sale: 20 ounce cup for $4.00, 12 ounce cup for $3.00, 10 ounce cup for $2.50, 8 ounce cup for $2.40. Which drink is the most expensive price per ounce?

The 8 ounce cup is the most expensive price per ounce.

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