Mrs. Basich is debating which cell phone plan would be best for her. Super Cell
charges a monthly fee of $15 and also
charges $0.10 per text message. She makes
note that the equation is M-0.10T + 15
where M is the monthly charge in dollars
and T is the number of texts sent
She then looks at Global Cellular. They
have no monthly charge, but charge $0.30
per text message. She makes note that the
equation is M-0301
Using multiples of 20 for your calls, make
a table for both companies showing the
cost of service, M. for making from 0 to
200 text messages per month
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