keytronbrown
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Tina has been dieting for a total of 13 weeks. She lost 3 pounds on the first week of her diet, but gained back a pound on the second week. On each remaining week of her diet, she lost 2 pounds. How many pounds has Tina lost in all? A. 26 pounds B. 20 pounds C. 22 pounds D. 24 pounds

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callaanne
The answer is D, 24 pounds.
2125drm
A. 26 pounds
Becuase she loses 3 her first week, then gains a pound back, and that's the first week for the next 12 weeks she lost 2 pounds a week.
-3 + 1 + (-2*12) = 26

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