Hello!
The answer is: The Anya's drawing is 6 inches long.
Have a nice day!
Why?
To solve this problem, we need to consider the drawing's length with respect to the actual bug's size.
So, given the scale factor is:

We can find how long is the Anya's drawing using the following equation with the given information about the scale factor, and the actual's bug size, so:

Therefore, the Anya's drawing is 6 inches long.
Have a nice day!