Question: A certain cellular phone plan charges $24.00 per month plus $0.25 for each minute of usage. The monthly charge is given by the formula, whererepresents

A certain cellular phone plan charges $24.00 per month plus $0.25 for each minute of usage. The monthly charge is given by the formula, whererepresents the number of minutes of usage per month. What is the charge for a month with 390 minutes of usage?

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