The task is to generate the correct answer for a given math problem.

[Q]: 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 ?
[A]: 2 / 5


[Q]: Problem: if 5 a = 3125 , then the value of 5 ( a - 3 ) is :
[A]: 25


[Q]: Problem: sue ' s trail mix is 30 % nuts and 70 % dried fruit . jane ' s trail mix is 60 % nuts and 40 % chocolate chips . if the combined mixture of sue and jane ' s trails mix contains 40 % nuts , what percent of the combined mixture is dried fruit ?
[A]:
46.7