abrahamzapata879
abrahamzapata879 abrahamzapata879
  • 26-02-2021
  • Mathematics
contestada

a certain cell phone company charges $ 3 for the first minute and $ 1.20 for each additional minute. design an algebraic expression to calculate the cost of a call​

Respuesta :

kylaegbert2624 kylaegbert2624
  • 26-02-2021

Answer:

If 500 minutes of talk = 20

and texting = 30

and each additional minute of talk = 0.45

then the bill would be (for C = total cost)

C = 20+30+(0.45 • x)

OR

C = 50 + 0.45x

Step-by-step explanation:

Hope this helps! : D

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