Question 5

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Jambmaths question: 

A man donates 10% of his monthly net earning to his church. If it amounts to N4500, what is net monthly income?

Option A: 

N45,000

Option B: 

N 52, 500

Option C: 

N62,500

Option D: 

N40, 500

Jamb Maths Solution: 

$\begin{align}  & \text{Let the monthly income be }x \\ & 10percent\text{ }of\text{ }x=4500 \\ & x\times \frac{10}{100}=4500 \\ & x=N45,000 \\\end{align}$

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