Numeracy question. 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?
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 you'll use to drive 1500 km, we'll follow these steps:

1. **Calculate the total fuel needed for 1500 km:**
   - Your car uses 9 liters per 100 km.
   - For 1500 km, the total fuel consumption will be:
     \[
     \text{Total fuel} = \left(\frac{9 \text{ liters}}{100 \text{ km}}\right) \times 1500 \text{ km}
     \]
     \[
     \text{Total fuel} = \frac{9 \times 1500}{100} = 135 \text{ liters}
     \]

2. **Determine how many tanks of fuel are required:**
   - Each tank holds 68 liters.
   - The number of tanks needed will be:
     \[
     \text{Number of tanks} = \frac{135 \text{ liters}}{68 \text{ liters/tank}} \approx 1.99 \text{ tanks}
     \]

Since you can't use a fraction of a tank in reality, you would need to fill up **2 tanks** of fuel to drive 1500 km.

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Do you need more details or have any questions?

Here are 5 related questions for further practice:
1. How far can you drive with 1 full tank of fuel?
2. What would be the fuel cost for a 1500 km trip if petrol costs $1.50 per liter?
3. If your car's fuel efficiency improved to 8 liters per 100 km, how many tanks would you need for 1500 km?
4. How many kilometers can you drive on half a tank of fuel?
5. If you only had 50 liters of fuel, how far could you travel?

**Tip:** Regular car maintenance can help improve fuel efficiency, reducing the amount of fuel needed for 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?

Learn how to calculate the number of fuel tanks needed to drive 1500 km with a car that uses 9 litres per 100 km and has a 68-litre tank. This guide covers essential mathematical concepts like ratio, unit conversion, and division, making it ideal for students in Grades 5-7.

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