Question

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.
3.6 pounds

B.
–5.6 pounds

C.
–4.6 pounds

D.
–3.6 pounds