https://file.aiquickdraw.com/mathbot/file/1726658704947isjyodv9.jpg

Based on the image you provided, here’s a breakdown of the problem and how to approach it:

### Information given:
1. **Per portion**:
   - 40 grams of muesli.
   - 200 milliliters of yogurt.
   
2. **What Diana has at home**:
   - 0.65 liters of yogurt.
   - 780 grams of muesli.

You are tasked with calculating how much yogurt and muesli Diana needs for 4 days and determining how many days she can make breakfast with the current stock.

### Step-by-step:

#### 1. Calculating the amounts needed for 4 days:
- **Muesli**: Each day Diana uses 40 grams. For 4 days:
  \[
  40 \, \text{g/day} \times 4 = 160 \, \text{g}
  \]
  (as already partially filled in the table in the image).

- **Yogurt**: Each day Diana uses 200 milliliters. For 4 days:
  \[
  200 \, \text{ml/day} \times 4 = 800 \, \text{ml} \, \text{or} \, 0.8 \, \text{liters}.
  \]

#### 2. How many days can Diana have breakfast with her current stock?

- **Yogurt**: Diana has 0.65 liters (or 650 milliliters). Each day she uses 200 milliliters:
  \[
  \frac{650 \, \text{ml}}{200 \, \text{ml/day}} = 3.25 \, \text{days}.
  \]
  So, she has enough yogurt for **3 full days**.

- **Muesli**: Diana has 780 grams of muesli. Each day she uses 40 grams:
  \[
  \frac{780 \, \text{g}}{40 \, \text{g/day}} = 19.5 \, \text{days}.
  \]
  So, she has enough muesli for **19 full days**.

### Conclusion:
- Diana needs 160 grams of muesli and 800 milliliters (0.8 liters) of yogurt for 4 days.
- She has enough yogurt for **3 days** and enough muesli for **19 days**.

Would you like a more detailed explanation of any part, or is everything clear?

### Related questions:
1. How would the number of days change if the portion sizes increased?
2. What if Diana used 50 grams of muesli per day?
3. How would the number of days change if Diana had 1

Diana eats yogurt with muesli every morning. She has 0.65 liters of yogurt and 780 grams of muesli left. How many days will the yogurt and muesli last, and how much will she need for 4 days?

Learn how to calculate the amount of yogurt and muesli needed for 4 days and how many days the current stock will last. Diana eats 200 ml of yogurt and 40 g of muesli every morning. Explore step-by-step how to use division and proportions to solve this real-world problem. Perfect for Grades 4-6 students.

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