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WAEC Mathematics 2004 Question 9

Question 9

Fractions, Decimals and Approximation

Simplify 7 1/2 − (2 1/2 + 3) ÷ 16 1/2 and correct your answer to the nearest whole number

  1. A.33
  2. B.8
  3. C.7
  4. D.0
Show the answer and explanation

Answer: C (7)

Explanation

Brackets first: 5 1/2. Division next: 5 1/2 ÷ 16 1/2 = 1/3. Then 7 1/2 − 1/3 = 7 1/6 ≈ 7.