In what time a sum of money double itself at 8% per annum simple interest?
Choose the most appropriate option
A) 33 1/8%	B) 33 1/3%	C) 33 7/3%	D) 32 1/3%	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?