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?