Answer:
Value of f = 9
Step-by-step explanation:
We need to find 36 − f − f − f − f = 0
That is 4 times f is reducing from 36
36 − 4f = 0
36 − 4f + 4f = 0 + 4f
4f = 36
[tex]4f\times \frac{1}{4}=36\times \frac{1}{4}\\\\f=\frac{36}{4}=9[/tex]
Value of f = 9