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 find out how many tanks of fuel you'll use to drive 1500 km, follow these steps:

1. **Calculate total fuel consumption for 1500 km:**

   Since your car uses 9 litres per 100 km, for 1500 km, the total fuel consumption is:

   \[
   \text{Fuel consumption} = \left( \frac{9 \text{ litres}}{100 \text{ km}} \right) \times 1500 \text{ km} = 135 \text{ litres}
   \]

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

   Each tank holds 68 litres. So, the number of tanks needed is:

   \[
   \text{Number of tanks} = \frac{135 \text{ litres}}{68 \text{ litres/tank}} \approx 1.99 \text{ tanks}
   \]

Since you can't use a fraction of a tank practically, you will need **2 full tanks of fuel** to cover 1500 km.

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

Here are 5 related questions:
1. How much fuel would you need to travel 1000 km?
2. What is the maximum distance you can travel on a full tank?
3. If the petrol price is $1.5 per litre, how much will it cost to travel 1500 km?
4. How does fuel efficiency change if you carry extra weight?
5. How many tanks will be needed for a 2000 km journey?

**Tip:** Keeping your tires properly inflated 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?

Find out how to calculate the number of tanks needed for a 1500 km journey when your car uses 9 litres of petrol per 100 km and the tank holds 68 litres. This problem applies unit conversion and proportionality, perfect for Grades 6-8 math students.

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