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%
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
Error =12.75 - 7.50 = 5.25
Error % = \(\frac{5.25}{12.75}\) x 100% = 41.2%
Source: Myschool Past Questions Archive (Record #22880)