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Two successive discounts of 20% and 10% are equivalent to a single discount of what percent?

Competition practiceRatio, Percentage & Commercial Math
  • A30
  • B27
  • C25
  • D28

Step-by-Step Solution

On a marked price of 100: . Total discount = 100 − 72 = 28, i.e. a single discount of 28%.
Answer: D) 28

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