For his birthday, Zack and three of his friends went to a movie. They each got a ticket for $8.00 and the same snack from the concession stand. If Zack’s mom paid $48 for the group’s tickets and snacks, how much did each snack cost? The equation 4(s + 8)=48 represents the situation when s represents the cost, in dollars, of one snack. Use your knowledge of equations to determine the cost of each snack.