ar consumes fuel at a rate of $$ 8 / / 100 \mathrm{~km} $$. How many litres is needed to travel 400 km How far you can travel with 50 l ?

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UpStudy AI · Accepted Answer

To solve the fuel consumption problems, we'll use the given fuel consumption rate of **8 liters per 100 kilometers**.

### a) Litres Needed to Travel 400 km

**Fuel Consumption Rate:**  
$$ 8 \, \text{liters} \, / \, 100 \, \text{km} $$

**Calculation:**  
To find out how much fuel is needed for 400 km:
$$
\text{Fuel Needed} = \left( \frac{400 \, \text{km}}{100 \, \text{km}} \right) \times 8 \, \text{liters} = 4 \times 8 = 32 \, \text{liters}
$$

**Answer:**  
You need **32 liters** of fuel to travel **400 kilometers**.

### b) Distance Achievable with 50 Liters of Fuel

**Fuel Available:**  
$$ 50 \, \text{liters} $$

**Calculation:**  
To determine how far you can travel with 50 liters:
$$
\text{Distance} = \left( \frac{50 \, \text{liters}}{8 \, \text{liters}} \right) \times 100 \, \text{km} = 6.25 \times 100 = 625 \, \text{km}
$$

**Answer:**  
With **50 liters** of fuel, you can travel **625 kilometers**.

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**Summary:**
- **400 km** requires **32 liters** of fuel.
- **50 liters** allows you to travel **625 km**.
To travel 400 km, you need 32 liters of fuel. With 50 liters, you can go 625 km.

ar consumes fuel at a rate of \( 8 / / 100 \mathrm{~km} \). How many litres is needed to travel 400 km How far you can travel with 50 l ?

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