Margot has 21 1/2 pounds of flour, 8 pounds of butter, and 18 1/2 pounds of sugar to make shortbread cookies. If she makes 12 batches of cookies and uses all the ingredients, how many pounds of ingredients are used in each batch

To find how many pounds of ingredients are used in each batch, we first need to calculate the total weight of all the ingredients Margot has, then divide that total by the 12 batches.

### Step 1: Calculate the total weight of all ingredients
- Flour: \( 21 \frac{1}{2} \) pounds = \( 21 + \frac{1}{2} = 21.5 \) pounds
- Butter: 8 pounds
- Sugar: \( 18 \frac{1}{2} \) pounds = \( 18 + \frac{1}{2} = 18.5 \) pounds

The total weight of all the ingredients is:
\[
21.5 + 8 + 18.5 = 48 \text{ pounds}
\]

### Step 2: Divide the total weight by the number of batches
To find how many pounds of ingredients are used per batch, divide the total weight by the 12 batches:
\[
\frac{48}{12} = 4 \text{ pounds per batch}
\]

Thus, Margot uses **4 pounds of ingredients per batch**.

Would you like a detailed breakdown of the solution? Here are 5 related questions to explore:

1. What is the total weight if Margot has \(23 \frac{3}{4}\) pounds of flour?
2. How many batches can Margot make if she uses 5 pounds per batch instead of 4?
3. If Margot only uses 6 pounds of butter, how does it affect the total weight?
4. What is the average weight per batch if she makes 15 batches instead of 12?
5. If Margot doubles the amount of sugar, what is the new weight per batch?

**Tip**: When working with mixed numbers, converting them to decimals first makes it easier to calculate.

Margot has 21 1/2 pounds of flour, 8 pounds of butter, and 18 1/2 pounds of sugar to make shortbread cookies. If she makes 12 batches of cookies and uses all the ingredients, how many pounds of ingredients are used in each batch?

Discover how to calculate the total weight of ingredients and the weight per batch when Margot uses 21 1/2 pounds of flour, 8 pounds of butter, and 18 1/2 pounds of sugar to make 12 batches of cookies. This problem involves basic arithmetic, fractions, and division. Suitable for students in Grades 5-7.

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