Question

Dhoni has $30.5litres$petrol in his car. He drove his car and used $18.95litres$petrol. How much petrol will he needed to fill the tank if it can hold $45litres$?

Answer 1

Step 1 :- To find the remaining petrol

Dhoni has $30.5litres$ petrol and he used $18.95litres$petrol

Remaining petrol = $$\begin{gathered} =(30.5-18.95)litre \\ =11.55litre \end{gathered}$$

Step 2:- To find petrol needed to make tank full

The capacity of tank is $45litres$

petrol needed to make tank full=$$\begin{gathered} =(45-11.55)litre \\ =33.45litre \end{gathered}$$

Therefore, Dhoni needed $33.45litre$petrol to fill the tank full