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Mathematics 13 Online
OpenStudy (anonymous):

Tina lost 3 pounds on the first week of her diet. She gained a pound on the second week, and then lost 2 pounds a week during every week afterwards. She has been dieting for a total of 13 weeks. How many pounds has Tina lost in all? A. 20 pounds B. 26 pounds C. 22 pounds D. 24 pounds

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