Question

Jada measures the changes in her dog's weight over the entire year. She weighs her dog every 3 months and records
the results.
January-March: +2.125
April-June: -3 1/4
July-September: -1/2
October-December: +0.875
If Jada’s dog weighed 55.75 pounds at the beginning of the year, what is the dogs weight at the end of the year?

Answer 1

The net weight of Jada's at the end of the year is the sum of his initial weight and the change in weight recorded, which is : 55 pounds

• January-March: +2.125

• April-June: -3.25

• July-September: - 0.5

• October-December: +0.875

• Initial weight = 55.75

Net weight of the dog can be expressed thus :

• 55.75 + 2.125 + (-3.25) + (-0.5) + 0.875

• 55.75 + 2.125 - 3.25 - 0.5 + 0.875 = 55

Therefore, the dog's weight at the end of the year is 55 pounds.

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