Which context describes a difference of rational numbers?

Question

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The stock price rose 5 points
The temperature during the day drops.
Leah ran 2 miles more than she did yesterday.
Tom won 2 out of 5 hands playing cards

Answer 1

The context that describes a difference of rational numbers is:

The temperature during the day drops.

This context implies a change or difference in temperature, which can be represented as a subtraction of one value from another, hence involving rational numbers.