Question

please help medal and Fan

Answer 1

Okay I'll help you

Answer 2

Multiply by 20

Answer 3

Each dimension is in the scale 1:20
That means each real length is 20 times the drawing size.

Answer 4

First, what is
4 inches * 20 ?
5 inches * 20 ?

Answer 5

So just think of the scale as a fraction 1 over twenty or 1/20

Answer 6

Exactly just multiply by 20

Answer 7

100 and 80

Answer 8

@mathstudent55 its 80 and 100

Answer 9

Yes

Answer 10

Correct.
The real dimensions of the room are 80 inches and 100 inches.
Now we need to find the area.
Since the room is a rectangle, you use the formula for the area of a rectangle
A = LW

Answer 11

100 x 80 ?

Answer 12

Yes.
What do you get?

Answer 13

8000

Answer 14

A = 100 in. * 80 in. = 8000 in.^2

Now we have the are in square inches.
The problem wants the are in square feet, so we need to convert.

Answer 15

ok how do we convert

Answer 16

We need to figure out how many square inches there are in a square foot.

Answer 17

First, do you know how many inches there are in a foot?

Answer 18

144

Answer 19

12

Answer 20

Correct.

Answer 21

There are 144 square inches in a square foot

Answer 22

Correct also.

Answer 23

ok