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WAEC Mathematics 2001 Question 12

Question 12

Linear and Simultaneous Equations

A man is four times as old as his son. The difference between their ages is 36 years. Find the sum of their ages.

  1. A.45 years
  2. B.48 years
  3. C.60 years
  4. D.74 years.
Show the answer and explanation

Answer: C (60 years)

Explanation

4x − x = 36 gives x = 12. The father is 48, so the sum is 60 years.