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 ?
n0 = 4.0
n1 = 5.0
n2 = 25.0
n3 = 60.0
t0 = n2 + 100.0
t1 = n1 / n0
t2 = 100.0 - n3
t3 = t2 / t0
answer = t3 * t1
print(answer)