Answer:
After solving for n, you will find that n = 2/5f + 39
Step-by-step explanation:
To solve for n, follow the order of operations for solving equations.
f = 5/2(n - 39) ----> multiply both sides by 2/5
2/5f = n - 39 -----> Add 39 to both sides.
2/5f + 39 = n