instruction:
In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
question:
Problem: marcella has 27 pairs of shoes . if she loses 9 individual shoes , what is the greatest number of matching pairs she could have left ? 
Options: a ) 22 , b ) 20 , c ) 19 , d ) 16 , e ) 15
answer:
a


question:
Problem: a number is doubled and 6 is added . if resultant is trebled , it becomes 72 . what is that number 
Options: a ) 8 , b ) 10 , c ) 9 , d ) 14 , e ) 16
answer:
c


question:
Problem: when positive integer x is divided by positive integer y , the remainder is 9 . if x / y = 96.25 , what is the value of y ? 
Options: a ) 96 , b ) 75 , c ) 36 , d ) 25 , e ) 12
answer:

c