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WAEC Mathematics 2011 Question 46

Question 46

Indices

If 27x = 9y, find the value of x/y.

  1. A.1/3
  2. B.2/3
  3. C.1½
  4. D.3
Show the answer and explanation

Answer: B (2/3)

Explanation

33x = 32y, so 3x = 2y and x/y = 2/3.