A car uses 6 litres of fuel per 100 km. How much fuel does it use on a 350 km journey?
Answer and explanation
Correct answer: D. 21 litres
- Step 1: 350 km is blocks of 100 km. Step 2. litres. Answer: 21 litres. Why not the others: Scale the rate by the number of 100 km blocks.
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