4/9 P = (P*R*R)/100
R = 20/3 = 6 2/3%
The simple interest on a sum of money is 4/9 of the principal and the number of years is equal to the rate percent. Find the rate and the time?
Options:
A) 6 2/3%
B) 6 2/7%
C) 6 2/2%
D) 6 3/3%
E) 6 5/3%