Answer:
Based on the context clues in the sentence, the best meaning of "affinity" is an enjoyment of
Step-by-step explanation:
The basic meaning of the word affinity is to be similar to other without being identical and therefore compatible or to instantly like something or someone as it is, then in the context, the word affinity talks about the connection and preference that Juanita feels for numbers and all the areas that contain them such as tools in a computer program.