A

Admin • 831K Points
Coach

Q. If a number is increased by 20% and then decreased by 20%, net change is:

  • (A) 0%
  • (B) 2% decrease
  • (C) 4% decrease
  • (D) 4% increase
Explanation by: Admin
Net change = a − a²/100 = 20 − 4 = 16%? (Correct formula: -4% decrease)

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