Asked by Hannah

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?

Answers

Answered by Ms. Sue
How do you think this problem should be solved?

Remember: there are two walls of one size and two walls of another size.

Answered by Hannah
12x 12 x15x15
Answered by Ms. Sue
No. Picture each wall as a rectangle. Find the area of each wall.

What about the height of the walls?



Answered by Hannah
12 x 15 x 7 =450
would it be 2.8 galloons
Answered by Ms. Sue
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.

Answered by Pearline Perry
A bedroom is 17 feet long by 18 feet wide the ceiling is 9 feet high how do you arrive at the answer.
Answered by Pearline Perry
2(17*18+9=306
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