Simple Interest
I = Prt,
where p is the principal;
r is the annual interest rate;
t us the time in years.
Example:-
To bye furniture for a new apartment, Jennifer Wall borrowed 5000 at 8% simple interest for 11 months. How much interest will she pay ?
Solution:-
From the formula, I = Prt, with P = 5000, r = .08, and t = (in years). The total interest she will pay is
I = 366.67.