Answer:
720 miles
Explanation:
A car uses 8.4 liters of petrol for a 112 mile journey.
In 1 litres =
of journey
We need to find far should the car be able to travel on a full tank of petrol i.e. 54 litres of petrol.
![54\ l=(112)/(8.4)* 54\\\\=720\ \text{miles}](https://img.qammunity.org/2021/formulas/mathematics/high-school/isfxg5co2duijuxv2hn32re483hdqci5fl.png)
So, the car can travel 720 miles when it holds 54 lirres of petrol.