In what time a sum of money double itself at 8% per annum simple interest?	Pick one:
A) 33 1/8% B) 33 1/3% C) 83 1/3% D) 33 4/3% E) 12 1/2%
P = (P*8*R)/100   R = 12 1/2%   Answer:12 1/2%
<result>E</result>
In what time a sum of money double itself at 8% per annum simple interest?