Craig's recipe for Greek salad dressing says to mix 4 tablespoons of olive oil with 1.5 tablespoons of lemon juice 

and half a tablespoon of vinegar. 

a. Craig wants to make 1.5 cups of his Greek salad dressing. You know there are 16 tablespoons in 1 cup. 

How many tablespoons of each ingredient will Craig need? 

Let's solve the problem by first calculating the total amount of Craig's dressing recipe in tablespoons, then scaling it up to 1.5 cups.

### Step 1: Total Amount in Craig's Original Recipe
Craig's original recipe uses:
- **4 tablespoons of olive oil**
- **1.5 tablespoons of lemon juice**
- **0.5 tablespoons of vinegar**

Total number of tablespoons in Craig's recipe:
\[
4 \text{ (olive oil)} + 1.5 \text{ (lemon juice)} + 0.5 \text{ (vinegar)} = 6 \text{ tablespoons}
\]

### Step 2: Scaling the Recipe to 1.5 Cups
1 cup = 16 tablespoons, so 1.5 cups = 24 tablespoons.

To find out how many tablespoons of each ingredient Craig will need to make 1.5 cups, we scale each ingredient proportionally:

\[
\text{Scaling factor} = \frac{24 \text{ tablespoons (for 1.5 cups)}}{6 \text{ tablespoons (original recipe)}} = 4
\]

### Step 3: Calculate the Amount of Each Ingredient
Now, multiply each ingredient amount by the scaling factor of 4:

- **Olive Oil**:  
\[
4 \text{ tablespoons} \times 4 = 16 \text{ tablespoons}
\]

- **Lemon Juice**:  
\[
1.5 \text{ tablespoons} \times 4 = 6 \text{ tablespoons}
\]

- **Vinegar**:  
\[
0.5 \text{ tablespoons} \times 4 = 2 \text{ tablespoons}
\]

### Final Answer
To make 1.5 cups of Craig's Greek salad dressing, he will need:
- **16 tablespoons of olive oil**
- **6 tablespoons of lemon juice**
- **2 tablespoons of vinegar**

Would you like further details or have any questions?

### Follow-up Questions:
1. How does the proportion of ingredients in Craig's dressing compare to Cassidy's dressing?
2. What effect would doubling the lemon juice have on Craig's dressing?
3. How can Craig adjust his recipe if he prefers a more tangy flavor?
4. If Craig wanted to make only 0.75 cups of dressing, how would the ingredient amounts change?
5. What are some potential health benefits of the olive oil in Craig's dressing?

### Tip:
When scaling recipes, always ensure that the proportions of ingredients are maintained to preserve the intended flavor balance.

Discover how to calculate the exact amount of olive oil, lemon juice, and vinegar needed for Craig's Greek salad dressing recipe. This problem involves proportional scaling and unit conversion from tablespoons to cups. Suitable for Grades 5-6 students.

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