Each Sunday, Mario weighs himself. Here are his weight changes over a 4-week period. Week 1 2 3 4 Weight Change (in pounds) –2.3 +0.5 –1.2 –0.6 How much has Mario's weight changed over the entire 4 weeks?
A–5.6 pounds
B–3.6 pounds
C–4.6 pounds
D3.6 pounds
A–5.6 pounds
B–3.6 pounds
C–4.6 pounds
D3.6 pounds