Exercises 8991 will help you prepare for the material
Chapter 4, Problem 4.1.253(choose chapter or problem)
Exercises 8991 will help you prepare for the material covered in the next section. A telephone plan has a monthly fee of 20 with a charge of 0.05 per minute. a. What is the total monthly cost for the plan if there are 200 minutes of calls? b. Write a formula that describes the total monthly cost of the plan, y, for x minutes of calls.
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