Question 38

Jambmaths question: 

The weight of a day-old chick was measured to be 0.21g. If the actual weight of the chick is 0.18g, what was the percentage error in the measurement?

Option A: 

15.5%

Option B: 

18.2%

Option C: 

14.8%

Option D: 

16.7%

Jamb Maths Solution: 

$\begin{align}  & \text{Actual weight}=0.18g \\ & \text{Measured weight }=0.21g \\ & \text{Error}=0.21g-0.18g=0.03g \\ & \text{percent error}=\frac{error}{\text{actual weight}}\times 100 \\ & \frac{0.03}{0.18}\times 100percent=16.7percent \\\end{align}$

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