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Mathematics 7 Online
OpenStudy (anonymous):

Each Sunday, Mario weighs himself. Here are his weight changes over a 4-week period. VHS_PA_L2_S1_02_09_MUT_Q10.gif How much has Mario’s weight changed over the entire 4 weeks? A. 5.4 pounds B. –4.1 pounds C. 3.2 pounds D. –3.9 pounds

OpenStudy (anonymous):

the other-one wasn't working

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