The change in weight of Callie's cat will be 1 5/8 pounds.
It should be noted that Callie's cat lost 4 1/2pounds before having.surgery and two weeks after having surgery, her cat gained 2 7/8pounds.
The change in weight will be:
= 4 1/2 - 2 7/8
= 4 4/8 - 2 7/8
= 1 5/8 pounds
Therefore, the change in weight of Callie's cat will be 1 5/8 pounds.
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