Question

Carlos is adding insulation to a room he just finished framing in his home. The room is 16 ft. by 12 ft., and the ceilings are 9 ft. tall. There are two windows in the room measuring 5 ft. by 6 ft. each. How many square feet of insulation does Carlos need?

A. 708 ft.^2
B. 504 ft.^2
C. 768 ft.^2
D. 444 ft.^2

Answer 1

behold my artistic skills

ok so we will have TWO 9 by 12 walls, TWO 9 by 16 walls, and MINUS TWO 5 by 6 windows

Answer 2

what is 9 x 12 = ?

Answer 3

Your drawing is nice.

= 108

Answer 4

times two because we have two 9 by 12 walls

Answer 5

then plus 2 x (9 x 16)

then minus 2 x (5 x 6)

Answer 6

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Angle
behold my artistic skills

ok so we will have TWO 9 by 12 walls, TWO 9 by 16 walls, and MINUS TWO 5 by 6 windows
\(\color{#0cbb34}{\text{End of Quote}}\)
so ok but what about the ceiling ?

Answer 7

I am confused too... do houses have insulation on ceilings? maybe only roofs?

Answer 8

\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9
so ok but what about the ceiling ?
\(\color{#0cbb34}{\text{End of Quote}}\)

I thought that too initially but if you include the ceiling, the final answer you get isn't an answer choice. So apparently, it's only the four walls minus the windows

Answer 9

^ Thanks @AZ :)

Answer 10

\(\color{#0cbb34}{\text{Originally Posted by}}\) @AZ
\(\color{#0cbb34}{\text{Originally Posted by}}\) @jhonyy9
so ok but what about the ceiling ?
\(\color{#0cbb34}{\text{End of Quote}}\)

I thought that too initially but if you include the ceiling, the final answer you get isn't an answer choice. So apparently, it's only the four walls minus the windows
\(\color{#0cbb34}{\text{End of Quote}}\)
ok ty - just bc. not was specified

Answer 11

Okay. So it's 108+144+108+144-60

Answer 12

yup! I think that should be right

Answer 13

Thanks!