Linear Inequalities and Absolute Value Inequalities · Exercise 64
A basic cellular package costs $20/mo. for 60 min of calling, with an additional charge of $.30/min beyond that time.. The cost formula would be
If you have to keep your bill no greater than $50, what is the maximum calling minutes you can use?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Algebra and Trigonometry 2e · §2.7 Linear Inequalities and Absolute Value Inequalities · Exercise 64
No hints for this one.
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