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JAMB 2014 · UTME · Q5

A man donates 10%10\% of his monthly net earnings to his church. If it amounts to ₦4,500, what is his net monthly income?

Worked solution (try it first)
  1. 10%10\% of his net income EE is ₦4,500, so 0.1E=45000.1E = 4500.
  2. Divide both sides by 0.1 (multiply by 10): E=45 000E = 45\,000.
  3. So his net monthly income is ₦45,000, option C.

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