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(Solved): The phone company, NextFell, has a monthly cellular plan where the customer pays a flat monthly fee ...



The phone company, NextFell, has a monthly cellular plan where the customer pays a flat monthly fee and then a cost of money per minute used on the phone. If the customer uses 240 minutes, the monthly cost is

$81.00

. If the customer uses 540 minutes, the monthly cost is

$156.00

. a. Find a linear model of the form

y=mx+b

, where

x

is the number of monthly minutes used, and

y

is the total monthly cost of the NextFell plan.

y=

b. Using the equation from part a., find the total monthly cost if 942 minutes are used. If 942 minutes are used, the total cost will be dollars.



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