Answer:
390 inches long
Step-by-step explanation:
The string = x


x = 390 inches
The answer i x=4/99 (fraction form )
Answer:
Option D is correct.
Step-by-step explanation:
We can tell that
Now, let's simplify.
=> 
=> 
=> 
=> 
=> 
Therefore, Option D is correct.
Hoped this helped.