Surface area for paint question help please.

Solve the problem. 15) Referencing the Jones' family room again, they have 8 foot ceilings 15) and plan to paint the walls with a new color to coordinate with the carpet. How many square feet of wall space do they need to paint? [line 1] A gallon of paint covers 375 square feet, how many gallons of paint are needed to put two coats of paint on the walls? [line 2] You cannot buy a part of a gallon. 16) The family room one more time. The cost of the paint per gallon is 16) $24.99. How much will it cost to put two coats of paint on the walls? [line 1] What is the total cost for this home improvement project? [line 2]