BECE Mathematics 2020 Paper

Concept:Total wage is calculated by multiplying the number of hours worked by the wage rate per hour.Explanation:The labourer worked for $20\frac{1}{2}$ hours.Convert the mixed fraction into a decimal: $20\frac{1}{2} = 20.5$ hours.His wage rate is GH₵ 2.50 per hour.Formula: Total wage $=$ hours worked $\times$ wage per hour.Substitute the values: Total wage $= 20.5 \times 2.50$.Perform the multiplication: $20.5 \times 2.5 = 51.25$.Therefore, the total wage earned is GH₵ 51.25.This amount matches option B.Answer:B. GH₵ 51.25