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WAEC Mathematics 2021 Question 18

Question 18

Commercial Arithmetic

A trader paid import duty of 38 kobo in the naira on the cost of an engine. If a total of ₦22,800.00 was paid as import duty, calculate the cost of the engine.

  1. A.₦60,000.00
  2. B.₦120,000.00
  3. C.₦24,000.00
  4. D.₦18,000.00
Show the answer and explanation

Answer: A (₦60,000.00)

Explanation

Duty is ₦0.38 for every ₦1, so the cost = 22,800 ÷ 0.38 = ₦60,000.