A man invested a sum of N280.00 partly at 5% and partly at 4%. if
MATHEMATICS
JAMB 1992
A man invested a sum of N280.00 partly at 5% and partly at 4%. if the total interest is N12.80 per annum, find the amount invested at 5%
- A. 14.00
- B. 120.00
- C. 140.00
- D. 160.00
Correct Answer: D. 160.00
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