After 38 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 choice from the following options:  A) 38 liters  B) 40 liters  C) 38.5 liters  D) 2 liters  E) 4 liters
95% ----------- 38   5% ------------ ? =&gt; 2 liters   ANSWER:2 liters
<result>D</result>
After 38 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?