Problem-Solving and Data AnalysisEasy–MediumDistance from a fuel rate
Problem-Solving and Data Analysis practice question
A car travels 210 kilometres on 15 litres of fuel. At the same rate, how far, in kilometres, can it travel on 24 litres?
Answer: 336
210 ÷ 15 = 14 km per litre, and 14 × 24 = 336.
Common wrong answers
- If you answered 224
- 224 is 14 × 16, an arithmetic slip.
- If you answered 360
- 360 is 15 × 24, multiplying the wrong numbers.
- If you answered 131.25
- 131.25 comes from 210 × 15 ÷ 24, inverting the proportion.
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