Respuesta :

brainsurgeon2b
4 and a half (4.5) gallons

2 gallons cover 800 ft
2g=800
g=400
1800/400=4.5
Let's go:

2 gallons ---> 800 square feet
x gallons ---> 1800 square feet
800x = 2.1800
x = 3600/800
x = 4,5 gallons of Paint.

I hope I helped you.