Question 20
Ratio, Percentages and RatesA sales girl gave a change of N1.15 to a customer instead of N1.25. Calculate her percentage error.
- A.10%
- B.8.7%
- C.8.0%
- D.2.4%
- E.0.10%
Show the answer and explanation
Answer: C (8.0%)
Explanation
Error = 1.25 − 1.15 = 0.10. Percentage error = 0.10/1.25 × 100 = 8.0%.