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 are needed to drive 1500 km, we can follow these steps:

1. **Find fuel consumption per 1500 km:**
   - The car uses 9 liters for every 100 km. 
   - For 1500 km, the fuel consumption would be:
     \[
     \frac{9 \, \text{litres}}{100 \, \text{km}} \times 1500 \, \text{km} = 135 \, \text{litres}
     \]

2. **Determine how many tanks of fuel are needed:**
   - The car's fuel tank holds 68 liters.
   - To find how many tanks are needed, divide the total fuel consumption by the tank capacity:
     \[
     \frac{135 \, \text{litres}}{68 \, \text{litres per tank}} \approx 1.99
     \]
   - This means you'll need approximately 2 full tanks of fuel to drive 1500 km.

So, you will need **2 tanks of fuel** to complete the 1500 km journey.

Do you need more details or have any questions?

Here are 5 related questions for further practice:
1. How much fuel will be left in the tank after 1500 km?
2. How far can you drive on one full tank of fuel?
3. If the petrol usage is reduced to 8 litres per 100 km, how many tanks will you need for the same distance?
4. What is the total cost of petrol for 1500 km if the fuel price is $1.50 per litre?
5. How many kilometers can you drive if you fill the tank halfway?

**Tip:** Keep track of fuel consumption in both liters and kilometers to ensure accurate trip planning.

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?

Learn how to calculate the number of tanks of fuel required for a 1500 km trip when a car uses 9 litres of petrol per 100 km and the tank holds 68 litres. This problem involves key mathematical concepts like ratio and unit conversion, suitable for Grades 6-8.

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