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A number is first increased by 20% and then decreased by 20%. The net percentage change in the number is: (a decrease is negative)

Competition practiceRatio, Percentage & Commercial Math
  • A0%
  • B-2%
  • C-4%
  • D4%

Step-by-Step Solution

Net factor = , i.e. 96% of the original. This is a decrease of 4%, so −4%.
Answer: C) -4%

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