A basic cellular package costs $20/mo. For 60 min of calling, with an additional charge of $0.30/min beyond that time. The cost formula would be C = $20 + 0.30(x -60). If you have to keep your lower than $50, what is the maximum calling minutes you can use?

A basic cellular package costs $20/mo. For 60 min of calling, with an additional charge of $0.30/min beyond that time. The cost formula would be C = $20 + 0.30(x -60). If you have to keep your lower than $50, what is the maximum calling minutes you can use?

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter2: Equations And Inequalities

Section2.7: Linear Inequalities And Absolute Value Inequalities

Problem 64SE: A basic cellular package costs $20/mo. for 60 min of calling, with an additional charge of$0.30/min...

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