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 determine how many tanks of fuel will be needed to drive 1500 km, let's break it down step by step:

1. **Fuel usage per kilometer**:  
   The car consumes 9 litres per 100 km, so for 1 km it will consume:
   \[
   \frac{9}{100} = 0.09 \, \text{litres/km}
   \]

2. **Total fuel consumption for 1500 km**:  
   Multiply the consumption per km by the total distance:
   \[
   1500 \times 0.09 = 135 \, \text{litres}
   \]
   So, the car will need 135 litres of fuel to travel 1500 km.

3. **Number of tanks needed**:  
   Since the tank holds 68 litres, divide the total fuel needed by the tank capacity:
   \[
   \frac{135}{68} \approx 1.985
   \]
   This means the car will require approximately 2 full tanks of fuel to complete the journey.

### Answer:
You will need 2 tanks of fuel to drive 1500 km.

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Do you want further details or have any questions?

Here are 5 related questions to explore further:
1. How many kilometers can you drive with a full tank?
2. What distance can you cover with 30 litres of fuel?
3. If fuel prices are $1.50 per litre, what will be the total cost for 1500 km?
4. How many litres of fuel will be left after 1000 km?
5. How much fuel would a car that uses 7 litres/100 km consume over 1500 km?

**Tip**: Regularly checking your car's tyre pressure can improve fuel efficiency!

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?

Learn how to calculate the number of tanks of fuel needed for a 1500 km journey. With a fuel consumption of 9 litres per 100 km and a tank capacity of 68 litres, discover how to break down the calculations step by step. Ideal for students in Grades 5-7.

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