Number of generations = 9/3 = 3. Total = 5 × (1.8³ − 1)/(1.8 − 1) = 5 × (5.832 − 1)/0.8 = 5 × 5.832/0.8 = 5 × 7.29 = <<5*7.29=36.45>>36.45 ≈ 36 - Appfinity Technologies