Answer:
Step-by-step explanation:
We are given the following in the question:
Number of shirts bought from Walmart = n
Cost of one shirt at Walmart = $9 per shirt
Total cost of shirt at Walmart =

Number of shirts bought from Amazon = n
Cost of one shirt at Amazon = $8 per shirt
Shipping fee for entire order = $5
Total cost of shirt at Amazon =

Total amount spent by Netta on shirts in one day =
Total cost of shirt at Walmart + Total cost of shirt at Amazon

is the required expression where T(n) is the total cost and n is the number of shirts purchased at Walmart as well as Amazon.