Question

A cell phone plan cost $30 per month for unlimited calling plus $.15 per message.

A. Write a linear model that represents the monthly cost of the cell phone plan if the user sends t text messages.
B. if you send 200 text messages, how much would you pay according to this cell phone plan?

Answer 1

c(m) = .15 m + 30.00

c(200) = .15(200) + 30

Answer 2

Thank you

Answer 3

You are welcome.