Task: Question Answering
Input (English): Problem: a group of boy scouts and girls scouts is going on a rafting trip . 52 % of the scouts arrived with signed permission slips . if 40 % of the scouts were boy scouts and 62.5 % of the boy scouts arrived with signed permission slips , then what percentage of the children were girl scouts who arrived with signed permission slips ? 
Options: a ) 27 , b ) 28 , c ) 29 , d ) 30 , e ) 31
Output (English): a