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 calculate how many tanks of fuel you'll need to drive 1500 km, let's break it down step by step:

1. **Fuel consumption per 100 km**: Your car uses 9 litres of fuel to drive 100 km.
2. **Total distance**: You want to drive 1500 km.
3. **Total fuel required**: 
   \[
   \frac{9 \text{ litres}}{100 \text{ km}} \times 1500 \text{ km} = 135 \text{ litres}
   \]
   So, you will need 135 litres of fuel to drive 1500 km.

4. **Tank capacity**: Your car's tank holds 68 litres.
5. **Number of tanks required**:
   \[
   \frac{135 \text{ litres}}{68 \text{ litres per tank}} \approx 1.99
   \]
   Since you can't use a fraction of a tank, you will need **2 full tanks** of fuel to cover the 1500 km.

### Do you have any questions or need more details?

Here are some related questions:
1. How far can you drive on a full tank of petrol?
2. If your car's fuel efficiency improved to 8 litres/100 km, how many tanks would you need for 1500 km?
3. How much would it cost to drive 1500 km if petrol costs $1.50 per litre?
4. If you drove 2000 km instead of 1500 km, how many tanks would you need?
5. What is your average cost per kilometre based on your fuel usage?

**Tip**: Improving driving habits, like reducing speed or avoiding rapid acceleration, can increase 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 1500km?

Learn how to calculate how many tanks of fuel you'll need to drive 1500 km with a fuel consumption rate of 9 litres per 100 km and a tank capacity of 68 litres. This problem covers key concepts in fuel efficiency and unit conversion, suitable for students in Grades 6-8.

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