yearly income of 80,000 in 30 years. what is the comparable salary today assumming an inflation rate of 3% commpounded annually?

So we have

80000 = A(1.03)³⁰     .......where A is the current salary

Divide both sides by (1.03)³⁰      So we have

80000/(1.03)³⁰ = 32958.94 ≈ $32.959