Question on: JAMB Mathematics - 2014
A man donates 10% of his monthly net earnings to his church. If it amounts to N4,500, what is his net monthly income?
A
N40,500
B
N45,000
C
N52,500
D
N62,000
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Correct Option: B
Let;
M = Man monthly net earnings
Then;
(\text{N4500} = \frac{\text{10%}}{\text{100%}} \times M )
(M = \frac{\text{N4500} \times \text{100%}}{\text{10%}} )
M = N45,000
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