Ava45018 Ava45018
  • 14-08-2018
  • Mathematics
contestada

What is the correct answer? Plz explain.

What is the correct answer Plz explain class=

Respuesta :

mathmate
mathmate mathmate
  • 14-08-2018

Given:

cA(n)=5n+50

cC(n)=4n+80

and cC(n)<cA(n)

so

4n+80 < 5n + 50

Subtract 4n from both sides

4n-4n + 80 < 5n-4n +50

80 < n + 50

Subtract 50 from both sides,

30 < n

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