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Math Help - Pls help with the ques?

  1. #1
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    Question Pls help with the ques?

    A company that publishes a certain calculus book has a constant marginal cost of $22.50 per book and a constant marginal profit of $14 per book.If it costs the company $12000 to publish 500 copies of the book,determine the profit from selling those 500 copies.
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  2. #2
    Super Member redsoxfan325's Avatar
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    Quote Originally Posted by mathcalculushelp View Post
    A company that publishes a certain calculus book has a constant marginal cost of $22.50 per book and a constant marginal profit of $14 per book.If it costs the company $12000 to publish 500 copies of the book,determine the profit from selling those 500 copies.
    \$22.50\times500=\$11,250 so the fixed cost is \$12,000-\$11,250=\$750.

    So their profit is \$14\times500-750=\$6,250

    This doesn't seem like calculus, unless I'm oversimplifying...
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