MATH-ALGEBRA

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Kadie bought 144 dougnuts for $80. her profit was $75 once she sold 100 dougnuts. What would be a equation for this?

A. P = -0.05n +80
B. P = 0.05n - 80
C. P = 0.75n
D. P = 1.55n - 80

Its D, but how do u get that answer, this is so confusing

  • MATH-ALGEBRA -

    Kadie bought 144 dougnuts for $80. her profit was $75 once she sold 100 dougnuts.

    Which equation below represents Kadie's profit P, as a function of the number sold, n?

    Sorry hadn't included all of the information before, does this anyhow help?

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