If the ratio of principal and simple interest for 10 years is 8 ∶ 5, then find the rate of interest.
1
\(16\frac{2}{3}\% \)
2
\(6\frac{1}{4}\% \)
3
\(14\frac{2}{7}\% \)
4
12.5%
If the ratio of principal and simple interest for 10 years is 8 ∶ 5, then find the rate of interest.