josh weighs 78 kg and his dog weighs 18 kg. if his truck weighs 1.9 t and there are 5 boxes of books each weighing 9.8 kg in the truck, what is the total weight of the truck in tonnes, including josh, his dog, and the books

To calculate the total weight of the truck including Josh, his dog, and the boxes of books, let's break it down step by step.

### Given dataTo calculate the total weight of the truck including Josh, his dog, and the boxes of books, let's break it down step by step.

### Given 
- **Josh's weight**: 78 kg
- **Dog's weight**: 18 kg
- **Truck's weight**: 1.9 tonnes (which is equivalent to 1,900 kg)
- **Each box of books weighs**: 9.8 kg
- **Number of boxes**: 5

### Step 1: Calculate the total weight of the boxes
The total weight of the books is:
\[
\text{Total weight of boxes} = 5 \times 9.8 \, \text{kg} = 49 \, \text{kg}
\]

### Step 2: Add the weight of Josh, his dog, and the boxes
The combined weight of Josh, his dog, and the boxes is:
\[
\text{Combined weight} = 78 \, \text{kg} + 18 \, \text{kg} + 49 \, \text{kg} = 145 \, \text{kg}
\]

### Step 3: Add the combined weight to the truck's weight
The total weight in kilograms is:
\[
\text{Total weight in kg} = 1,900 \, \text{kg} + 145 \, \text{kg} = 2,045 \, \text{kg}
\]

### Step 4: Convert the total weight to tonnes
Since \(1 \, \text{tonne} = 1,000 \, \text{kg}\), we divide by 1,000 to convert the total weight to tonnes:
\[
\text{Total weight in tonnes} = \frac{2,045}{1,000} = 2.045 \, \text{tonnes}
\]

### Final Answer:
The total weight of the truck including Josh, his dog, and the books is **2.045 tonnes**.

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Here are 5 related questions:
1. How would the total weight change if Josh gained 5 kg?
2. What is the total weight if one box of books is removed?
3. How much weight would be added if Josh brings along a 15 kg suitcase?
4. What would be the total weight if the truck weighed 2.1 tonnes instead?
5. How do you convert kilograms to pounds if the weight was needed in a different unit?

**Tip:** Always ensure to keep track of units when combining different measurements, especially between kilograms and tonnes.

Josh weighs 78 kg and his dog weighs 18 kg. If his truck weighs 1.9 tonnes and there are 5 boxes of books each weighing 9.8 kg in the truck, what is the total weight of the truck in tonnes, including Josh, his dog, and the books?

Learn how to calculate the total weight of a truck, including passengers and cargo. This problem involves adding weights of Josh, his dog, and 5 boxes of books, converting units from kilograms to tonnes. Suitable for students in Grades 6-8.

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