A car runs \(28\text{km}\) using \(1\) \(\text{litre}\) of petrol. How far will it go using \(3\frac{1}{4}\) \(\text{litres}\) of petrol?
 
Answer : The car will go \(\text{km}\) using \(3\frac{1}{4}\)\(\text{litres}\) of petrol.