A website-hosting service charges a one-time setup fee of $20 plus d dollars for each month. A business owner paid $70 for the first 5 months.

Respuesta :

Answer:

D= 10 Dollars each month

Step-by-step explanation:

You find this answer by subtracting the one time fee of 20 from the total payed of 70, leaving you with 50.  You then divide that 50$ by 5 months.