Since the specific conclusion is based on a general premise, this is a case of deductive reasoning.
What is deductive reasoning?
The term deductive reasoning has to do with the process of arriving at a specific conclusion based on a more general premise.
In this case, the conclusion arrived at was based on the fact that Mia saw a general sign that read that 3 grapefruit cost $2.50. Hence, this is a case of deductive reasoning.
Learn more about deductive reasoning:https://brainly.com/question/16685989
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