Worksheet titled "The Best Pancake Recipe" with a recipe and math questions about serving size and ingredient quantities.

Problem Analysis and Solution

The problem involves analyzing a pancake recipe and answering questions based on the information provided. Let's break it down step by step.

#### Recipe Summary
- Ingredients:
- 1 cup flour
- 1 cup buttermilk
- 1 ½ tablespoons sugar
- 1 teaspoon baking powder
- ½ teaspoon baking soda
- ⅓ teaspoon salt
- 1 tablespoon vegetable oil
- 1 egg

- Instructions:
- Combine dry ingredients (flour, baking powder, baking soda, salt, sugar) in a medium bowl.
- Add buttermilk and oil, mix by hand until blended.
- Heat a little oil in a skillet on medium heat.
- Pour the mixture and flatten each pancake with a spoon.
- Flip when edges look done and bubbles form.
- Serve with pure maple syrup.
- Makes nine 4-inch pancakes (serves 3–4 people).

- Additional Notes:
- Olga’s mom reminds her:
- 1 tablespoon (T) = 3 teaspoons (t).
- 4 cups of liquid = 1 quart.

#### Questions and Solutions

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Question 1:

> Give the number of the sentence that tells you how many friends are coming to the slumber party. How many friends are coming?

#### Solution:
- The relevant sentence is:
*"Olga is having eleven friends over for a slumber party."*
This is Sentence 1.

- Answer:
Sentence 1. Eleven friends are coming.

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Question 2:

> If each person eats 3 pancakes, how many people can eat from this recipe? Give the number of the sentence that provides the best evidence for your answer.

#### Solution:
- The recipe states:
*"Makes nine 4-inch pancakes (serves 3–4 people)."*
This is Sentence 12.

- If each person eats 3 pancakes:
- Total pancakes made: 9
- Number of people who can eat: \( \frac{9}{3} = 3 \)

- Answer:
Sentence 12. Three people can eat from this recipe.

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Question 3:

> If each person including Olga eats 3 pancakes, how many pancakes should Olga make?

#### Solution:
- Total number of people:
Olga + 11 friends = 12 people.

- Each person eats 3 pancakes:
Total pancakes needed = \( 12 \times 3 = 36 \) pancakes.

- Answer:
Olga should make 36 pancakes.

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Question 4:

> By how much should Olga multiply this recipe to have enough pancakes? Use a complete sentence.

#### Solution:
- The original recipe makes 9 pancakes.
- Olga needs 36 pancakes.
- Multiplication factor:
\( \frac{36}{9} = 4 \)

- Answer:
Olga should multiply the recipe by 4.

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Final Answers:

1. Sentence 1. Eleven friends are coming.
2. Sentence 12. Three people can eat from this recipe.
3. Olga should make 36 pancakes.
4. Olga should multiply the recipe by 4.

Boxed Final Answer:
\[
\boxed{4}
\]