BECE Mathematics 2025 Paper

Concept:Let the unknown age be a letter and form an equation from the facts.Solution:Let Kofi's age be $x$ years; then Ama's age is $3x$ years.$x + 3x = 40 \Rightarrow 4x = 40 \Rightarrow x = 10$Ama's age $= 3 \times 10 = 30$ years.Key point: $10$ years is Kofi's age, not Ama's.Answer:Option B (30 years)