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Andrew is able to drive 518 km on a full tank of petrol before having to refuel. The petrol tank on Andrew's car can hold 70 litres of petrol. 4.3.1 Write down the fuel consumption rate of Andrew's car in km per litres. 4.3.2How many litres of petrol will Andrew's car use to travel 285 km ? Round off your answer to one decimal place. 4.3.3 If Andrew sets out on a trip with 28 litres of petrol in his car, how far will he be abl to travel before he has to stop for petrol?

Ask by Schofield Pritchard. in South Africa
Mar 18,2025

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1. Andrew's car consumes 7.4 km per litre. 2. To travel 285 km, the car uses approximately 38.5 litres. 3. With 28 litres of petrol, Andrew can travel about 207.2 km before needing to refuel.

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Beyond the Answer

To find the fuel consumption rate, we start by calculating how far Andrew travels per litre of petrol. With a distance of 518 km on a full tank of 70 litres, we divide the distance by the capacity of the tank: 518 km / 70 litres = 7.4 km/litre. Thus, Andrew's car has a fuel consumption rate of approximately 7.4 km per litre. To determine how many litres of petrol Andrew's car will use to travel 285 km, we can use the consumption rate. By dividing the distance by the km/litre rate: 285 km / 7.4 km/litre ≈ 38.5 litres. Therefore, Andrew will use about 38.5 litres of petrol to cover that distance. If Andrew sets out with 28 litres in his car, we find out how far he can travel by multiplying the petrol amount by the consumption rate: 28 litres x 7.4 km/litre = 207.2 km. So, Andrew could travel approximately 207.2 km before needing to refuel!

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