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

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So let's say tina weighs 110 pounds She looses 3 on the first week so now she weighs 107 She gains back 1 pound on the 2nd week so now she weighs 108  there are 11 weeks left and she looses 2 pounds per week so you take 108-22 which will equal 86 pounds Now you take her starting weight and subtract it by her weight at the end of 13 weeks 110-86= 24 Tina looses 24 pounds. **I choose a random starting weight, you can choose any starting weight and still have the same answer.

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