Question
Neave's car uses 9 ℓ of petrol to travel a distance of 45 km. At this rate, how far can his car travel on 21 ℓ of petrol?
2 m

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Neave's car uses 9 ℓ of petrol to travel a distance of 45 km. At this rate, how far can his car travel on 21 ℓ of petrol?