instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: the ratio of a to b is 4 to 5 , where a and b are positive . if x equals a increased by 25 percent of a , and m equals b decreased by 60 percent of b , what is the value of m / x ?
answer:
2 / 5

question:
Problem: the average score of a cricketer in 2 matches is 60 and in other 3 matches is 50 . then find the average score in all the 5 matches ?
answer:
54

question:
Problem: if m = 3 ^ n , what is the greatest value of n for which m is a factor of 31 !
answer:
14