At the start of the day there was £129.75 in the till. one hour later there is £145.50. how much money did the shop make in an hour?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?