Which situation CANNOT be represented by this equation? 8x + 5 = 29

A. Angel has $29 to order shirts online.
Each shirt costs $5, and there is an $8 shipping charge.
How many shirts, x, can Angel buy?

B. Angel is ordering shirts that cost $8 each online.
There is also a $5 shipping charge.
If he has $29 to spend, how many shirts, x, can he buy?

C. Angel has $29 to order shirts online.
He buys 8 shirts and pays a $5 shipping charge.
What is x, the cost of each shirt?

Please solve and thank you.