Emedia center at josh school has a computer area. the first four rows have have six computers. the fifth row has four computers. how many computers are there in all

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?