M matho New member Joined Jun 1, 2007 Messages 3 Jun 1, 2007 #1 How much would it cost to paint the four walls of a room that measures 20 ft. long by 10 ft. wide, and 10ft. tall if paint sells for $12 per gallon and one gallon covers 200 sq. ft.?

How much would it cost to paint the four walls of a room that measures 20 ft. long by 10 ft. wide, and 10ft. tall if paint sells for $12 per gallon and one gallon covers 200 sq. ft.?

D Denis Senior Member Joined Feb 17, 2004 Messages 1,465 Jun 1, 2007 #2 2 of the walls are 10 by 10, the other 2 are 20 by 10: get total area; divide by 200; multiply by 12. If you can't follow that, you need serious classroom help.

2 of the walls are 10 by 10, the other 2 are 20 by 10: get total area; divide by 200; multiply by 12. If you can't follow that, you need serious classroom help.