A car uses 6 litres of petrol every 40 km. How many litres does it use to travel 100 km, at the same rate?
Show Worked Solution
Worked Solution
Step 1: Find the unit rate (litres per km).
Rate = 6 ÷ 40 = 0.15 litres per km.
Step 2: Multiply by 100 km.
0.15 × 100 = 15 litres.
Answer: 15 litres
Correct answer: 15 litres
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