
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 find out how many tanks of fuel you will use to drive 1500 km, let's break down the problem into a few steps:

1. **Calculate total fuel needed for 1500 km:**
   - Your car uses 9 litres per 100 km.
   - For 1500 km, the fuel needed can be calculated as:
     \[
     \text{Fuel needed} = 9 \, \text{litres} \times \frac{1500 \, \text{km}}{100 \, \text{km}} = 9 \times 15 = 135 \, \text{litres}
     \]

2. **Determine how many tanks are needed:**
   - Your tank holds 68 litres.
   - The number of tanks needed is:
     \[
     \text{Number of tanks} = \frac{\text{Total fuel needed}}{\text{Tank capacity}} = \frac{135 \, \text{litres}}{68 \, \text{litres}} \approx 1.985
     \]

Since you can't use a fraction of a tank in practical terms, you would need 2 full tanks to drive 1500 km.

Would you like a more detailed explanation or have any questions?

Here are some related questions you might find helpful:

1. How do you calculate the fuel cost for a specific trip distance?
2. What would be the petrol usage if the car efficiency changes?
3. How to convert litres per 100 km to miles per gallon?
4. How can you improve your car's fuel efficiency?
5. What factors affect a car’s fuel consumption?

**Tip:** Always round up when calculating the number of fuel tanks needed since you can't use a fraction of a tank in practice.

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?

Learn how to calculate the number of fuel tanks required for a 1500 km trip with a car that consumes 9 litres per 100 km and has a tank capacity of 68 litres. This problem covers key concepts such as proportionality and unit conversion, suitable for students in Grades 5-7.

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