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. –5.6 pounds
b. –3.6 pounds
c. –4.6 pounds
d. 3.6 pounds

Answer 1

b. -3.6 because,
you start with -2.3 then add +0.5 then subtract -1.2 then subtract
-0.6 you get -3.6