Stanley can purchase a 15.4-ounce bottle of olive oil for $5.39 or a 23.6-ounce bottle of olive oil for $7.08. Which bottle is the better buy? Explain.

To determine which bottle of olive oil is the better buy, we need to compare the unit price of each bottle. The unit price tells us how much each ounce of olive oil costs.

### Step 1: Calculate the unit price of the 15.4-ounce bottle.
The price of the 15.4-ounce bottle is $5.39. To find the unit price, we divide the total price by the number of ounces:

\[
\text{Unit price of 15.4-ounce bottle} = \frac{5.39}{15.4} \approx 0.3506 \, \text{(dollars per ounce)}
\]

### Step 2: Calculate the unit price of the 23.6-ounce bottle.
The price of the 23.6-ounce bottle is $7.08. Similarly, we find the unit price by dividing the total price by the number of ounces:

\[
\text{Unit price of 23.6-ounce bottle} = \frac{7.08}{23.6} \approx 0.3000 \, \text{(dollars per ounce)}
\]

### Step 3: Compare the unit prices.
- The 15.4-ounce bottle costs approximately **$0.3506 per ounce**.
- The 23.6-ounce bottle costs approximately **$0.3000 per ounce**.

Since **$0.3000 per ounce** is less than **$0.3506 per ounce**, the **23.6-ounce bottle** is the better buy, as it offers a lower cost per ounce of olive oil.

Would you like more details or have any other questions?

Here are five related questions you might find interesting:
1. How do you calculate the percentage savings between two unit prices?
2. If Stanley has a budget of $10, how much olive oil can he buy with the larger bottle?
3. What factors other than price per ounce might influence Stanley's decision on which bottle to buy?
4. How would the total price change if the price per ounce for both bottles increased by 10%?
5. What would the unit price be if the price of the 23.6-ounce bottle were reduced to $6.50?

**Tip**: When comparing prices, always break them down to a common unit (such as price per ounce) to make an accurate comparison.

Determine which olive oil bottle is the better buy by comparing unit prices. Stanley can choose between a 15.4-ounce bottle for $5.39 or a 23.6-ounce bottle for $7.08. Learn how to calculate the price per ounce and find out which option offers more value. Suitable for Grades 5-7.

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