Question

A scale drawing of a bathroom is shown below:

A rectangle is shown. The length of the rectangle is labeled 2 inches. The width of the rectangle is labeled 3.5 inches. The scale is 1 to 20.
What is the area of the actual bathroom in square feet? Round your answer to the nearest whole number. (5 points)

7 ft2
19 ft2
12 ft2
140 ft2

Answer 1

can someone help me with this

Answer 2

2 by 3.5 is the area for the model.

Answer 3

right?

Answer 4

idk

Answer 5

The scale factor is 20

to get the new side lengths we do the same as before

2 times 20
3.5 times 20

Answer 6

we have to be careful here because the the math I just wrote would get us inches and the question is asking for feet

Answer 7

i got 40 and 70

Answer 8

awesome!

do you know how to convert those numbers to feet?

we divide by 12 for both of those numbers

Answer 9

i got 0.3 and 5.83

Answer 10

40 \(\div\) 12 = ?

Answer 11

70 \(\div\) 12 = ?

Answer 12

3

Answer 13

5.8

Answer 14

ohh I see, it was probably a typo - I misunderstood for a sec there

ok so we have 3.333 and 5.833

what do we get if we multiply those two numbers?

Answer 15

19.441389

Answer 16

so 19 is the answer

Answer 17

fantastic! you're right :)