Answer:
The average sales per week for the first 16 weeks is $477 million dollars per week.
Explanation:
Here, you have to find the average value of a continuous function over an interval.
Suppose you have a function
over an interval from a to b. The average of the function in this interval is given by:

Solution:
In this problem, the function is given by:

The problem asks the average value for the first 16 weeks. It means that our interval goes from 0 to 16. So
.
The average value is given by the following integral:




The average sales per week for the first 16 weeks is $477 million dollars per week.