Algebra

1. A firm pays $1.75 for each copy of a magazine and sells each one for $2.50. There is a fixed monthly cost of $40 for printing the publication. If the firm wants to make $550 dollars next month, how many magazines do they have to sell?

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  1. For x magazines, we need

    x(2.50-1.75) + 40.00 >= 550.00
    x >= 680

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    2. 👎
  2. oops, the $40 is a cost, not a profit

    x(2.50-1.75) - 40.00 >= 550.00
    x >= 754

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    2. 👎

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