Answer:
If you are looking for an equation, then it would be 25 < x.
Step-by-step explanation:
The answer is
4x^4-4x^3-16x^2+16x
It would be 56 seconds until both flicker at the same time
have a happy day :)
Answer:

P.S. If u want a numerical value for 'f' , now put the value of 'm'
4/5x - 4/10 = 2/20...multiply everything by common denominator 20
16x - 8 = 2
16x = 2 + 8
16x = 10
x = 10/16 which reduces to 5/8 <=