At what rate percent on simple interest will a sum of money double itself in 20 years?
Choices:
A) 5% B) 3 1/9% C) 3 9/3% D) 3 2/3% E) 3 6/3%
P = (P*20*R)/100   R = 5%   5%nswer: 5%
<result>A</result>
At what rate percent on simple interest will a sum of money double itself in 20 years?