Answer:
It is less than 85% of the words.
Explanation:
We have been given that Pablo spelled 21 out of 25 words correctly on his spelling test. We are asked to determine, whether it is more or less than 85% of the words.
Let us find 21 is what percent of 25 as shown below:



Since the percentage of words spelled is 84%, therefore, it is less than 85% of the words.