Help me please? tysvm!

Find the value of x that will make l ll m

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?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days