The alexander family is looking to rent a large truck for their upcoming move. with dean's moving, they would pay $80 for the first day plus $3 per additional day. with weston rent-a-truck, in comparison, the family would pay $60 for the first day plus $8 per additional day. before deciding on which company to use, mrs. alexander wants to find out what number of additional days would make the two choices equivalent with regards to cost. what would the total cost be? how many additional days would that be?