Question

A cell phone company offers you a plan that charges a flat rate of $25 per month for 200 minutes of airtime. The rate for any time in excess of 200 minutes is $0.12 per minute.

a) Write an expression for the monthly dollar amount spent for the cell phone service if you use x minutes of airtime in excess of 200 minutes.


b) Evaluate the plan for 60 minutes of airtime in excess of 200 minutes.

Answer 1

c=.12x+25

plug in 60 for x to get the cost if you use 60 minutes of excess airtime

Answer 2

so .12(60)+25=?

and that will be your answer