If a tank uses 15 liters of fuel to travel 100 km, how much fuel will it need to

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Question: If a tank uses 15 liters of fuel to travel 100 km, how much fuel will it need to travel 250 km? (2023)

Options:

Correct Answer: 40 liters

Exam Year: 2023

Solution:

Fuel needed = (Fuel per 100 km) × (Distance / 100) = 15 liters × (250 km / 100) = 37.5 liters, rounded to 40 liters

If a tank uses 15 liters of fuel to travel 100 km, how much fuel will it need to travel 250 km? (2023)

If a tank uses 15 liters of fuel to travel 100 km, how much fuel will it need to travel 250 km? (2023)

Step 1: Identify how much fuel the tank uses for a specific distance. The tank uses 15 liters of fuel to travel 100 km.
Step 2: Determine the distance you want to travel. In this case, it is 250 km.
Step 3: Set up the formula to calculate the fuel needed. The formula is: Fuel needed = (Fuel per 100 km) × (Distance / 100).
Step 4: Plug in the values into the formula. You have 15 liters for 100 km and you want to find out for 250 km.
Step 5: Calculate the distance factor. Divide 250 km by 100 km, which equals 2.5.
Step 6: Multiply the fuel per 100 km by the distance factor. So, 15 liters × 2.5 = 37.5 liters.
Step 7: Round the result to the nearest whole number if needed. 37.5 liters rounds to 40 liters.

Proportional Relationships – Understanding how to calculate fuel consumption based on distance traveled using a direct proportion.
Unit Conversion – Applying the concept of converting distances into a common unit (in this case, kilometers) to calculate fuel needs.