After 76 liters of petrol were poured into the tank, it was still 5% empty. How much petrol must be poured into the tank in order to fill it?
Choose the correct option
A) 7 liters  B) 4 liters  C) 3 liters  D) 2 liters  E) 6 liters
95% ----------- 76   5% ------------ ?   =&gt; 4 liters   Answer: 4 liters
<result>B</result>
After 76 liters of petrol were poured into the tank, it was still 5% empty. How much petrol must be poured into the tank in order to fill it?