#1629 · Algebra · Sequences & series
Rate of Simple Interest
A person borrows to be repaid in years by annual instalments of ; find the rate of interest, reckoning simple interest.
H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. XVIII. Interest and Annuities, Examples XVIII.b, No. 1
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Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).