The graph below shows petrol prices at two petrol stations, Station X and Station Y. Zach went to one of the petrol stations and bought 10 litres of petrol for £12. a) Did Zach go to Station X or Station Y? b) How much would 15 litres of petrol cost at the same station? Give your answer in pounds (£). Cost against amount of petrol 40 30 20 10 0 5 10 15 20 25 Amount of petrol (litres) Key - Station X Station Y
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Let's assume that the graph shows a linear relationship between the amount of petrol and the cost at both Station X and Station Y. Show more…
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