WAEC - Mathematics (2024 - No. 7)
Find the sum for which $ 1,250.00 will amount to $ 2,031.25 at 12.5% per annum simple interest.
2 years
3 years
4 years
5 years
Explanation
Simple interest = Amount - Principal = $(2,031.25 - 1,250) = $ 781.25
S.I = \(\frac{\text{PRT}}{100}\)
781.25 = \(\frac{1250 \times 12.5 \times T}{100}\)
T = \(\frac{781.25 \times 100}{1250 \times 12.5}\) = 5 years.
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