**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?
Round your answer to the nearest whole number**

To find out how many tanks of fuel you will need to drive 1500 km, we can break it down into steps:

1. **Calculate the total fuel required for 1500 km:**

You use 9 litres of petrol per 100 km, so the fuel used for 1500 km is:
\[
\text{Fuel required} = \left(\frac{9 \, \text{litres}}{100 \, \text{km}}\right) \times 1500 \, \text{km} = \frac{9 \times 1500}{100} = 135 \, \text{litres}
\]

2. **Determine how many tanks are needed:**

Each tank holds 68 litres. So, the number of tanks required is:
\[
\text{Number of tanks} = \frac{135 \, \text{litres}}{68 \, \text{litres/tank}} \approx 1.985 \, \text{tanks}
\]

Rounding 1.985 to the nearest whole number gives **2 tanks**.

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

Would you like more details or have any questions?

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Here are 5 related questions:
1. How much fuel would you need for a journey of 2000 km?
2. How many kilometres can you drive with a full tank?
3. If petrol costs $1.50 per litre, what would the total fuel cost be for the 1500 km trip?
4. How would the result change if your fuel consumption increased to 10 litres/100 km?
5. What distance can you drive on half a tank of fuel?

**Tip:** Knowing your fuel consumption rate and planning for stops in advance can help save both time and fuel on long trips.

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? Round your answer to the nearest whole number.

Learn how to calculate the number of fuel tanks required for a 1500 km journey with a fuel consumption of 9 litres/100 km and a tank capacity of 68 litres. Includes step-by-step calculations suitable for Grades 6-8.

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