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Mathematics 21 Online
OpenStudy (ray_sihota):

Need help with this question. A publishing company finds that when it prices its computer books at $20 per book, it can sell 7000 books per month. When it prices them at $25 per book it can sell 5,500 books per month. Company assumes the relationship is linear. Find the equation witch gives number of books that can be sold per month in terms of price?

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