How do you think this problem should be solved?
Remember: there are two walls of one size and two walls of another size.
The floor of a bedroom is 12 feet by 15 feet and the walls are 7 feet high. One gallon of paint covers 450 square feet. How many gallons of paint do you need to paint the walls of the bedroom?
7 answers
12x 12 x15x15
No. Picture each wall as a rectangle. Find the area of each wall.
What about the height of the walls?
What about the height of the walls?
12 x 15 x 7 =450
would it be 2.8 galloons
would it be 2.8 galloons
Let's start over.
Two walls are 12 feet by 7 feet.
A = 2(12 * 7) = 168 square feet
Two walls are 15 feet by 7 feet.
A = 2 (15 * 7) = 210 square feet
210 + 168 = 378 square feet of walls
It sounds like just one gallon of paint will cover the four walls.
Two walls are 12 feet by 7 feet.
A = 2(12 * 7) = 168 square feet
Two walls are 15 feet by 7 feet.
A = 2 (15 * 7) = 210 square feet
210 + 168 = 378 square feet of walls
It sounds like just one gallon of paint will cover the four walls.
A bedroom is 17 feet long by 18 feet wide the ceiling is 9 feet high how do you arrive at the answer.
2(17*18+9=306
1 answer