fridaazad6
fridaazad6 fridaazad6
  • 02-12-2020
  • Mathematics
contestada

help me please thank you!​

help me please thank you class=

Respuesta :

katyhuang360166
katyhuang360166 katyhuang360166
  • 02-12-2020

Answer:

35mins

Step-by-step explanation:

Can you hear me now cost function: y=0.15x+50.75

24 Hour Calls cost function: y=0.9x+24.5

Set two equations equal to each other because we want to find the time (x value) that make the cost  (y-value) equal

0.15x+50.75=0.9x+24.5

0.75x=26.25

x=35mins

Answer Link
montesaudrey73 montesaudrey73
  • 02-12-2020
35 mins is probably the answer
Answer Link

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