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Marvin recorded his weight loss and weight gain. He labeled positive integers for weight gain and negative integers for weight loss. This is his record for 6 months: 4kg, -5kg, 7kg, -2kg, -10kg, 9kg. what is his total weight change?
- A 5 kg loss
- B 5 kg gain
- C 3 kg loss
- D 3 kg gain
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It's Wrong!
Marvin recorded his weight loss and weight gain using positive integers for weight gain and negative integers for weight loss. To calculate his total weight change, we need to sum up all the values. Adding 4kg, -5kg, 7kg, -2kg, -10kg, and 9kg gives us a total of 3kg gain.