Your car petrol usage is 9 litres / 100 km. Your tank holds 68 litres. How many tanks of fuel will you use to drive 1500km?

To calculate how many tanks of fuel you'll need to drive 1500 km, let's break it down step by step:

1. **Fuel usage per 100 km**: 9 litres
2. **Distance to be driven**: 1500 km
3. **Tank capacity**: 68 litres

### Step 1: Calculate the total fuel needed for 1500 km.
Since the car uses 9 litres for every 100 km, the total fuel needed for 1500 km is:
\[
\text{Total fuel} = \frac{9 \, \text{litres}}{100 \, \text{km}} \times 1500 \, \text{km} = 135 \, \text{litres}
\]

### Step 2: Calculate how many tanks of fuel you need.
Since each tank holds 68 litres, the number of tanks required is:
\[
\text{Number of tanks} = \frac{135 \, \text{litres}}{68 \, \text{litres/tank}} \approx 1.99
\]

So, you will need **approximately 2 tanks of fuel** to drive 1500 km.

Would you like more details, or do you have any questions?

Here are some related questions you could explore:
1. How would the calculation change if your car's fuel efficiency improved to 8 litres/100 km?
2. What is the maximum distance you can drive with one full tank?
3. If fuel costs €1.50 per litre, how much would it cost to drive 1500 km?
4. How many kilometres could you drive with half a tank?
5. What would be the fuel consumption for a 2000 km journey?

**Tip**: Knowing your car's fuel consumption helps plan long trips efficiently by understanding fuel stops and costs.

Your car petrol usage is 9 litres / 100 km. Your tank holds 68 litres. How many tanks of fuel will you use to drive 1500 km?

Find out how many tanks of fuel you'll need for a 1500 km drive with a car that consumes 9 litres per 100 km and has a tank capacity of 68 litres. A practical problem involving ratios and division, suitable for students in Grades 6-8.

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