How much paint is needed to paint the walls of a room 16x12x10? each gallon covers 400 square feet and each quart covers 100 square feet

That's true because 4 quart=1 gallon

1 quart=2 pint

1 pint=2cups

1 gal=400

1 qt=100

1 pint=50

1 cup=25

so find the area by multiplying

so assuming that 16=width

12=height

10=legnth

multiply (2 times 16 times 12) + (2 times 12 times 10) = (384) + (240) = 624 square feet to cover so

you need 6 quarts and 1 cup or 1 gallon and 2 quarts and 1 cup or 21 cups

you need 6 quarts and 1 cup

if you are only allowed to use gallons and quarts the answer is 7 quarts or 1 gallon and 3 quarts or 1 3/4 gallon