A sales girl gave a change of N1.15 to a customer instead of N1.25. Calculate…

Mathematics WAEC 1988

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

  • 10%
  • 7%
  • 8.0% checkmark
  • 2.4%
  • 10%

The correct answer is: C

Explanation

Error = 1.25 - 1.15 = 0.10

0.10/1.25
* 100 = 8.0%
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