Cost: Cell Phones. A cell phone company charges $50 for an
Chapter 1, Problem 99(choose chapter or problem)
Cost: Cell Phones. A cell phone company charges $50 for an 800-minute monthly plan, plus an additional $0.22 per minute for every minute over 800. If a customers bill ranged from a low of $67.16 to a high of $96.86 over a 6-month period, what were the most minutes used in a single month? What were the least?
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