Mrs. Kofi sold an article for C7.50 instead of C12.75. Calculate her percentage of error, correct to one decimal place.

  • A 41.2%
  • B 18.3%
  • C 5.3%
  • D 1.7%
  • E 1.4%
waec 1991mathematics

The correct answer is A. 41.2%

Error =12.75 - 7.50 = 5.25

Error % = \(\frac{5.25}{12.75}\) x 100% = 41.2%

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