Respuesta :

ASimpleEngineer

Answer:

-3.0

Step-by-step explanation:

The opposite of 2 & 1/2 is the negation, or -2 & 1/2, or -2.5.

The sum of 1.25 (1 & 1/4 or 5/4) and -1 & 3/4 (-1.75 or -7/4) is -2/4 (or -0.5).

So if we add -2.5 to -0.5, we get -3.0.

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