Answer:
x = - 0.25
Explanation:
-2 1/2 + ____ = -2 3/4
-2 1/2 = -5/2 = -2.5
-2 3/4 = -11/4 = -2.75
Let x represent the unknown number; we have:
-2.5 + x = -2.75
So, the answer is -0.25 or -1/4
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