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In the first week of​ July, a record 1,100 people went to the local swimming pool. In the second​ week, 105 fewer people went to the pool than in the first week. In the third​ week, 145 more people went to the pool than in the second week. In the fourth​ week, 315 fewer people went to the pool than in the third week. What is the percent decrease in the number of people who went to the pool over these four​ weeks?

User AndrejH
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Answer:

i dont understand

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User Zack Ream
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