Kele has been offered a job to paint the outside of a barn If one gallon costs 35 and covers 400 square feet How much will it cost to paint the barn with one coat The picture shows the dimensions of the barn Save 4 ft 30ft 38ft What is the area of the sides What is the area of the front and back ft 77ft What is the area of the gable ends the triangle at the top of the front and back ft What is the surface area of the paintable region of the barn How many gallons will it take to paint the barn gallons a Does not need paint How much will it cost to buy those gallons