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 will need to drive 1500 km, follow these steps:

1. **Calculate total fuel required for 1500 km**:
   \[
   \text{Fuel consumption} = \left(\frac{9 \text{ litres}}{100 \text{ km}}\right) \times 1500 \text{ km} = \frac{9 \times 1500}{100} = 135 \text{ litres}
   \]

2. **Determine the number of tanks required**:
   \[
   \text{Number of tanks} = \frac{\text{Total fuel required}}{\text{Tank capacity}} = \frac{135 \text{ litres}}{68 \text{ litres}} \approx 1.99 \text{ tanks}
   \]

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

Would you like any more details or have any questions?

Here are 5 related questions for practice:
1. How much distance can you cover with a full tank if your car’s consumption is 9 litres/100 km?
2. If your car's petrol usage was 8 litres/100 km, how many tanks would you need for 1500 km?
3. How much fuel is left after driving 1500 km if you start with a full tank?
4. What is the maximum distance you can drive if your car's fuel consumption is 10 litres/100 km and your tank is full?
5. If you drive 750 km, how much fuel would you use with your current fuel consumption rate?

**Tip**: Always check your car's fuel efficiency before long trips to avoid running out of fuel unexpectedly!

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 needed for a 1500 km drive, given a fuel consumption rate of 9 litres/100 km and a tank capacity of 68 litres. This step-by-step guide breaks down the calculations, making it easy for students in Grades 6-8 to understand.

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