If your petrol usage is 9L per 100km and you have a 68L tank how many tanks of fuel would you use to travel 1500km

To calculate how many tanks of fuel would be needed to travel 1500 km with a petrol usage of 9 liters per 100 km and a 68-liter tank, follow these steps:

1. **Determine how much fuel is required to travel 1500 km:**

   \[
   \text{Fuel needed} = \frac{9 \text{ L}}{100 \text{ km}} \times 1500 \text{ km} = 135 \text{ L}
   \]

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

   Each tank holds 68 liters, so:

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

Thus, you would need approximately **2 full tanks** of fuel to travel 1500 km.

Would you like more details or have any questions?

Here are some related questions:

1. How can I reduce fuel consumption for a long trip?
2. What is the formula to calculate fuel efficiency in miles per gallon (mpg)?
3. How does driving speed affect fuel consumption?
4. How much petrol would be needed for a trip of 2000 km with the same efficiency?
5. What factors can reduce your car’s fuel efficiency?

**Tip:** Driving at a consistent speed and avoiding rapid acceleration can improve fuel efficiency.

Learn how to calculate the number of fuel tanks needed to travel 1500 km with a petrol usage of 9L per 100km and a 68L fuel tank. This problem covers proportional reasoning, unit conversion, and division. Suitable for students in Grades 6-8.

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