Mathematics for IGCSE & O level - Ratio And Proportion (Section 2 - No. 40)
If a car uses 20 litres of fuel to travel 240 kilometres, and a journey of 540 kilometres is made, which statement below is correct?
20 liters of fuel would be used to make a journey of 540 kilometers
45 liters of fuel would be used to make a journey of 540 kilometers
35 liters of fuel would be used to make a journey of 540 kilometers
90 liters of fuel would be used to make a journey of 540 kilometers
Explanation
240 km / 20 liters = 12 km/l. Thus for 540 km/ 12 km/l= 45
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