0712kirby 0712kirby

21-03-2020
Mathematics

contestada

karen is trying to choose a cell phone plan. company j charges a subscruptio fee of $30 per month plus $1 per hour of use. company k charges no monthly fee but charges $2 for every hour of use.

Respuesta :

amna04352 amna04352

21-03-2020

Answer:

30+h = 2h

h = 30 hours

For 30 hours, she can choose either

For < 30 hours, company k

For > 30 hours, company j

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