Respuesta :

Answer:

D

Step-by-step explanation:

national cell= 0.15t+5

world wireless= .19t

its asking for when world wireless is cheaper so

0.19t< 0.15t +5; t<125

richarddavis14

Answer:

d

Step-by-step explanation:because you need to remember that the flat fee is 5.00 so as long as you dont send 5.00 worthof texts with world wireless you save money vs having national cell .19t needs to be less than .15t+5 so d is the only logical anwer

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