WAEC Mathematics 2021 Theory — Question 14
Question 14 of 22 from the West African Examinations Council (WAEC) Mathematics 2021 Theory paper, with the correct answer and a full explanation.
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8(b). The present ages of a man and his son are 47 years and 17 years respectively. In how many years would the man's age be twice that of his son?
Model answer
Let the number of years be n. 47+n = 2(17+n) → 47+n=34+2n → n = 13 years.
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