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WAEC Mathematics 2024 Question 17

Question 17

Linear and Simultaneous Equations

A number is added to both the numerator and the denominator of the fraction 1/8. If the result is 1/2, find the number.

  1. A.3
  2. B.4
  3. C.5
  4. D.6
Show the answer and explanation

Answer: D (6)

Explanation

(1 + x)/(8 + x) = ½ gives 2 + 2x = 8 + x, so x = 6.