math

The cost of printing the first fifteen hundred copies of a book is $1500. It costs y dollars to print each subsequent copy. The cost of printing the first 7500 copies of the book is $7080. Find Y.

Please explain how to solve it.

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  1. just solve for y in:

    1500 + (7500-1500)y = 7080

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    2. 👎
  2. Y = 0.93

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