A model is made of a car. The car is 7 feet long, and the model is 16 inches long. What is the ratio of the length of the car to the length of the model?

Question

4:21
7:16
16:7
21:4

I think it is C.

Answer 1

7' = 84", so the ratio is

84:16

Now reduce that to see which choice it matches.

Answer 2

21:4