Answer:
A. 13/7 feet
Explanation:
This is because the length would be 1/7th of 13 feet. That is the 1/7th portion a total of 13 which is obtained by multiplying the fraction by the number to be divided (the actual value of the car)
So in this case, we multiply 13 by 1/7
13 x 1 / 7
= 13/7
Other example for clarity
For instance, if we were making 1/5th the size of the actual model, we would be multiplying 1/5 with the actual value 13 :
13 x 1/5 = 13 / 5
Hope this helps!