Question

1 cm = 18 feet
1 cm = 3 feet

Above are two different models of the same rectangle. If the length of the model on the top is 5 cm, what is the length of the model on the bottom?
A. 20 cm
B. 11 cm
C. 14 cm
D. 30 cm

Answer 1

30cm is what i keep getting but i am unsure.

Answer 2

this is a study island qustion right?

Answer 3

brb

Answer 4

I just don't understand this. How do you solve this?

Answer 5

nithir do i.

Answer 6

The top scale is 1 cm = 18 ft.
Since the model using the top scale measures 5 cm, then the real measure is 5(18) ft = 90 ft.

Now using the second scale,
1 cm = 3 ft, but 90 ft = 30 (3 ft)
30(1 cm) = 30(3 ft)
30 cm = 90 ft
Answer: 30 cm

Answer 7

Thank you for the explanation