Answer:- Interest was earned=$1,100
Explanation:-
Given: Principal P, =$5,500
Time t= 8 years
Interest rate r=2.5%
[convert into decimal]
We know that,
Simple Interest=P×r×t
⇒Simple Interest=$5,500×0.025×8 [Substitute the value of P,r ant t]
⇒Simple Interest=$1,100
Therefore, Interest was earned=$1,100.