Answer:
The total interest is $119.57
Explanation:
Given : Zack borrowed $1,087 for 12 months at 11% interest. It means he must pay 11.00 per $100.
To Find: what is the total interest?
Solution:
Formula of simple interest:

Principal = $1,087
Rate = 11%
Time(in years) =12 months = 1 year
Substituting the values



Hence The total interest is $119.57