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WAEC Mathematics 2016 Question 47

Question 47

Linear and Simultaneous Equations

Halima is n years old. Her brother's age is 5 years more than half of her age. How old is her brother?

  1. A.n/2 + 5/2
  2. B.n/2 − 5
  3. C.5 − n/2
  4. D.n/2 + 5
Show the answer and explanation

Answer: D (n/2 + 5)

Explanation

Half her age is n/2; 5 more is n/2 + 5.