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Mathematics, 25.01.2020 20:31 piratesfc02
With no advertising your newspaper has a circulation of 8000 papers. for each dollar you spend on advertising, your newspaper circulation increases by 5 papers. you earn a profit (taking into account advertising expense) of 7 cents for each paper sold, but you must pay $400 to have the papers delivered. find a formula that gives the total profit p, in dollars, that you earn if you spend a dollars on advertising.
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