A boy estimated his transport fare for a journey as N190 instead of N200. Find...
MATHEMATICS
WAEC 2001
A boy estimated his transport fare for a journey as N190 instead of N200. Find the percentage error in his estimate
- A. 95%
- B. 47.5%
- C. 5.26%
- D. 5%
Correct Answer: D. 5%
Explanation
The percentage error is \(\frac{error}{actual}\times \frac{100}{1}\%\\
=\frac{200-190}{200}\times \frac{100}{1}\\
=\frac{10}{200}\times \frac{100}{1}\% = 5\%\)
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