A castle has 14 rooms with an area of 388 square feet each and 10 rooms with an area of 111 square feet each. What is the total area of
these rooms, in square feet?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?