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WAEC Mathematics 2006 Question 36

Question 36

Commercial Arithmetic

A seller allows 20% discount for cash payment on the marked price of his goods. What is the ratio of the cash payment to the marked price?

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

Answer: D (4:5)

Explanation

With 20% off, the cash price is 80% of the marked price: 80:100 = 4:5.