Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: P = (P*30*R)/100
R = 3 1/3%
The question and answer:
At what rate percent on simple interest will a sum of money double itself in 30 years?
Options:
(A) 3 1/3%
(B) 3 5/3%
(C) 3 1/9%
(D) 3 1/5%
(E) 3 1/7%
The answer is (A)