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WAEC Mathematics 2012 Question 38

Question 38

Commercial Arithmetic

Alfred spent ¼ of his money on food, ⅓ on clothing and saved the rest. If he saved ₦72,000.00, how much did he spend on food?

  1. A.₦43,200.00
  2. B.₦43,000.00
  3. C.₦42,200.00
  4. D.₦40,000.00
Show the answer and explanation

Answer: A (₦43,200.00)

Explanation

He saved 1 − ¼ − ⅓ = 5/12 of his money, so the total is 72,000 × 12/5 = ₦172,800. Food = ¼ of that = ₦43,200.