A sales girl gave a change of N1.15 to a customer instead of N1.25. Calculate her percentage error

  • A 10%
  • B 7%
  • C 8.0%
  • D 2.4%
  • E 10%
waec 1988mathematics

The correct answer is C. 8.0%

Error = 1.25 - 1.15 = 0.10

0.10/1.25* 100 = 8.0%

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