Answer:
300 words
Explanation:
To solve a problem like this one, we can use the simple ratio method to find the number of words Stella can type in 5 minutes, here in this case.
We know that, Stella can type 120 words in 2 minutes, so we can assume the number of words she can type in 5 minutes to be x and write it as:



Therefore, Stella can write 300 words in 5 minutes.