Answer: 8.5%
Explanation:
This is simple interest.
The formula fie finding simple interest is
I = principal × rate × time
-------------------------------
100
I = PRT/100
From the given values,
P = $5,500, T = 4years, R = ?, I = $1,870
Now we shall change the formula which is fundamental or in situ to suit the rate R.we now have
I = PRT
----
100
PRT = I × 100
R. = I × 100
---------
P × T
= 1,870 × 100
---------------
5,500 × 4
= 1,870 × 25
------------
5,500
= 187000/4
-----------
5500
= 46750/5500
= 8.5%
Therefore, the imtetest rate at which the loan was calculated is
8.5%.