Mathematics

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

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%
Correct Answer: Option C
Explanation
Error = 1.25 – 1.15 = 0.10
0.10/1.25

* 100 = 8.0%