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Sagot :
Answer:
204-2w=180 (where w is the amount of weeks)
w=12
(If you need the total amount, including the 6 weeks, add 6 to 12 to get 18)
Step-by-step explanation:
Sally is technically starting at 204 pounds and losing 2 per week. Therefore, that can be modeled as 204-2w because if she loses 2 per week you subtract that from the starting weight. You want to then set it equal to 180 and solve for w.
[tex]204-2w=180\\-2w=-24\\w=12[/tex]
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