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Tina buys a car to travel to college. The car manual gives consumption as7.0litres per 100km. Petrol costs£1.10 per litre

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Example:  What would the petrol cost of a 250-km journey in this car be?

250 km      7.0 litres       £1.10
---------- * --------------- * ----------- = £19.25   (answer to this SAMPLE situation)
      1          100 km         1 litre

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