Task: Question Answering
Input (English): Problem: by weight , liquid x makes up 0.8 percent of solution a and 1.8 percent of solution b . if 400 grams of solution a are mixed with 700 grams of solution b , then liquid x accounts for what percent of the weight of the resulting solution ? 
Options: a ) 1.58 % , b ) 1.98 % , c ) 10 % , d ) 15 % , e ) 19 %
Output (English): a