adriananana adriananana

23-06-2017
Mathematics

contestada

A cell phone plan charges a $40 base fee. If the total cost of talking 20 minutes is $41, what is the rate of change of the cost per minute talked?

Respuesta :

joleeamarie1234 joleeamarie1234

28-06-2017

2.05
Just divide 41 from 20

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