Task: Question Answering
Input (English): Problem: a man buys 12 lts of liquid which contains 20 % of the liquid and the rest is water . he then mixes it with 10 lts of another mixture with 30 % of liquid . what is the % of water in the new mixture ? 
Options: a ) 75.45 , b ) 76.45 , c ) 77.45 , d ) 74.45 , e ) 73.45
Output (English): a